Description

wallabag was discovered to contain a Cross-Site Request Forgery (CSRF) which allows attackers to arbitrarily delete API key via /developer/client/delete/{id}

This vulnerability has a CVSSv3.1 score of 6.5.

You should immediately patch your instance to version 2.6.3 or higher if you have more than one user and/or having open registration.

Resolution

This action is now doable only via POST method, which ensures that we can't do it via a 3rd-party website.

Credits

We would like to thank @tht1997 for reporting this issue through huntr.dev.

Reference: https://huntr.dev/bounties/5ab1b206-5fe8-4737-b275-d705e76f193a/