An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.9 before 16.9.4, all versions starting from 16.10 before 16.10.2. A payload may lead to a Stored XSS while using the diff viewer, allowing attackers to perform arbitrary actions on behalf of victims.
Credits
Thanks [yvvdwf](https://hackerone.com/yvvdwf) for reporting this vulnerability through our HackerOne bug bounty program
