GitLab 12.1 through 12.8.1 allows XSS. A stored cross-site scripting vulnerability was discovered when displaying merge requests.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10076
Reference (s):
- https://about.gitlab.com/releases/2020/03/04/gitlab-12-dot-8-dot-2-released/index.html
- https://about.gitlab.com/releases/2020/03/04/gitlab-12-dot-8-dot-2-released/