A reflected cross-site script vulnerability in GitLab before versions 13.11.6, 13.12.6 and 14.0.2 allowed an attacker to send a malicious link to a victim and trigger actions on their behalf if they clicked it
https://hackerone.com/reports/834555
https://gitlab.com/gitlab-org/gitlab/-/issues/212887
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22227.json