Insufficient input sanitization in wikis in GitLab version 13.8 and up allows an attacker to exploit a stored cross-site scripting vulnerability via a specially-crafted commit to a wiki
https://hackerone.com/reports/1087061
https://gitlab.com/gitlab-org/gitlab/-/issues/299143
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22185.json