Lab: User ID controlled by request parameter

APPRENTICE

This lab has a horizontal privilege escalation vulnerability on the user account page.

To solve the lab, obtain the API key for the user carlos and submit it as the solution.

You can log in to your own account using the following credentials: wiener:peter

Solution

Log in using the supplied credentials and go to your account page.
Note that the URL contains your username in the "id" parameter.
Send the request to Burp Repeater.
Change the "id" parameter to carlos.
Retrieve and submit the API key for carlos.

Want to track your progress and have a more personalized learning experience? (It's free!)

Sign up Login

In this topic

Access control vulnerabilities IDOR Access control security models

Register for free to track your learning progress

The benefits of working through PortSwigger's Web Security Academy

Practise exploiting vulnerabilities on realistic targets.
Record your progression from Apprentice to Expert.
See where you rank in our Hall of Fame.

^{Already got an account?
Login here}