diff --git a/Account Takeover/README.md b/Account Takeover/README.md
index 5db6c97..b30e286 100644
--- a/Account Takeover/README.md	
+++ b/Account Takeover/README.md	
@@ -254,6 +254,13 @@ Enter the code **000000** or **null** to bypass 2FA protection.
 * Session hijacking
 * OAuth misconfiguration
 
+## Labs
+
+* [Authentication bypass via OAuth implicit flow](https://portswigger.net/web-security/oauth/lab-oauth-authentication-bypass-via-oauth-implicit-flow)
+* [Forced OAuth profile linking](https://portswigger.net/web-security/oauth/lab-oauth-forced-oauth-profile-linking)
+* [OAuth account hijacking via redirect_uri](https://portswigger.net/web-security/oauth/lab-oauth-account-hijacking-via-redirect-uri)
+* [Stealing OAuth access tokens via a proxy page](https://portswigger.net/web-security/oauth/lab-oauth-stealing-oauth-access-tokens-via-a-proxy-page)
+* [Stealing OAuth access tokens via an open redirect](https://portswigger.net/web-security/oauth/lab-oauth-stealing-oauth-access-tokens-via-an-open-redirect)
 
 ## References
 
diff --git a/CORS Misconfiguration/README.md b/CORS Misconfiguration/README.md
index 12f8dad..b4f2b38 100644
--- a/CORS Misconfiguration/README.md	
+++ b/CORS Misconfiguration/README.md	
@@ -244,6 +244,13 @@ function reqListener() {
 };
 ```
 
+## Labs
+
+* [CORS vulnerability with basic origin reflection](https://portswigger.net/web-security/cors/lab-basic-origin-reflection-attack)
+* [CORS vulnerability with trusted null origin](https://portswigger.net/web-security/cors/lab-null-origin-whitelisted-attack)
+* [CORS vulnerability with trusted insecure protocols](https://portswigger.net/web-security/cors/lab-breaking-https-attack)
+* [CORS vulnerability with internal network pivot attack](https://portswigger.net/web-security/cors/lab-internal-network-pivot-attack)
+
 ## Bug Bounty reports
 
 * [CORS Misconfiguration on www.zomato.com - James Kettle (albinowax)](https://hackerone.com/reports/168574)
diff --git a/CRLF Injection/README.md b/CRLF Injection/README.md
index 04fe4f8..14f3eeb 100644
--- a/CRLF Injection/README.md	
+++ b/CRLF Injection/README.md	
@@ -103,6 +103,9 @@ Remainder:
 * %E5%98%BE = %3E = \u563e (>)
 * %E5%98%BC = %3C = \u563c (<)
 
+## Labs
+
+* [https://portswigger.net/web-security/request-smuggling/advanced/lab-request-smuggling-h2-request-splitting-via-crlf-injection](https://portswigger.net/web-security/request-smuggling/advanced/lab-request-smuggling-h2-request-splitting-via-crlf-injection)
 
 ## Exploitation Tricks
 * Try to search for parameters that lead to redirects and fuzz them
diff --git a/CSRF Injection/README.md b/CSRF Injection/README.md
index f6eb20b..a04796b 100644
--- a/CSRF Injection/README.md	
+++ b/CSRF Injection/README.md	
@@ -160,6 +160,18 @@ Referer: https://attacker.com/csrf.html;trusted.domain.com
 Referer: https://trusted.domain.com.attacker.com/csrf.html
 ```
 
+## Labs
+
+* [CSRF vulnerability with no defenses](https://portswigger.net/web-security/csrf/lab-no-defenses)
+* [CSRF where token validation depends on request method](https://portswigger.net/web-security/csrf/lab-token-validation-depends-on-request-method)
+* [CSRF where token validation depends on token being present](https://portswigger.net/web-security/csrf/lab-token-validation-depends-on-token-being-present)
+* [CSRF where token is not tied to user session](https://portswigger.net/web-security/csrf/lab-token-not-tied-to-user-session)
+* [CSRF where token is tied to non-session cookie](https://portswigger.net/web-security/csrf/lab-token-tied-to-non-session-cookie)
+* [CSRF where token is duplicated in cookie](https://portswigger.net/web-security/csrf/lab-token-duplicated-in-cookie)
+* [CSRF where Referer validation depends on header being present](https://portswigger.net/web-security/csrf/lab-referer-validation-depends-on-header-being-present)
+* [CSRF with broken Referer validation](https://portswigger.net/web-security/csrf/lab-referer-validation-broken)
+
+
 ## References
 
 - [Cross-Site Request Forgery Cheat Sheet - Alex Lauerman - April 3rd, 2016](https://trustfoundry.net/cross-site-request-forgery-cheat-sheet/)