Exploiting Server-side Parameter Pollution in a Query String

Published: 04 March 2024
on channel: Intigriti

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👩‍🎓👨‍🎓 Learn about API testing (and server-side parameter pollution)! To solve this lab, we'll need to log in as the administrator and delete the user carlos.

If you're struggling with the concepts covered in this lab, please review https://portswigger.net/web-security/... 🧠

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Overview:
0:00 Intro
0:26 Server-side parameter pollution
1:21 Testing for server-side parameter pollution in the query string
1:57 Truncating query strings
3:03 Injecting invalid parameters
3:42 Injecting valid parameters
4:20 Overriding existing parameters
5:24 Lab: Exploiting server-side parameter pollution in a query string
5:37 Explore site functionality
6:18 Analyse javascript
7:03 Probe password reset for parameter pollution
9:19 Brute-force parameter with burp intruder
10:25 Reset administrator password with leaked token
10:53 Conclusion

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