CSRF with broken Referer validation
CSRF with broken Referer validation: This lab's email change functionality is vulnerable to CSRF. It attempts to detect and block cross domain requests, but the detection mechanism can be bypassed. • PortSwigger • CSRF • csrf, lab8
This lab's email change functionality is vulnerable to CSRF. It attempts to detect and block cross domain requests, but the detection mechanism can be bypassed.
To solve the lab, use your exploit server to host an HTML page that uses a CSRF attack to change the viewer's email address.
You can log in to your own account using the following credentials: wiener:peter
Remove Referrer header
next thing to check is that if we add another url to the referrer header as below:
the application only validating that the referrer url contains the lab.
now afterwards we could craft following part:
