Related Vulnerabilities: CVE-2021-39885  

A Stored cross-site scripting security issue in merge request creation page in Gitlab EE version 13.5 and above allows an attacker to execute arbitrary JavaScript code on the victim's behalf via malicious approval rule names.

Severity High

Remote Yes

Type Cross-site scripting

Description

A Stored cross-site scripting security issue in merge request creation page in Gitlab EE version 13.5 and above allows an attacker to execute arbitrary JavaScript code on the victim's behalf via malicious approval rule names.

AVG-2432 gitlab 14.3.0-1 High Not affected

https://about.gitlab.com/releases/2021/09/30/security-release-gitlab-14-3-1-released/#stored-xss-in-merge-request-creation-page