An issue has been discovered in GitLab affecting all versions starting from 14.4 before 14.8.6, all versions starting from 14.9 before 14.9.4, all versions starting from 14.10 before 14.10.1. Missing invalidation of Markdown caching causes potential payloads from a previously exploitable XSS vulnerability (CVE-2022-1175) to persist and execute.
https://hackerone.com/reports/1528829
https://gitlab.com/gitlab-org/gitlab/-/issues/357930
https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-1433.json