Gitlab ce par 12.7.2 permet XSS.
https://about.gitlab.com/releases/2020/01/30/security-release-gitlab-12-7-4-released/
https://about.gitlab.com/blog/categories/releases/
https://gitlab.com/gitlab-org/security/gitlab/issues/14
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7973