An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.8 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A reflected XSS was possible when creating new abuse reports which allows attackers to perform arbitrary actions on behalf of victims.
https://hackerone.com/reports/1941091
https://gitlab.com/gitlab-org/gitlab/-/issues/407137
https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2015.json