CVE-2018-19574
GitLab CE/EE, versions 7.6 up to 11.x before 11.3.11, 11.4 before 11.4.8, and 11.5 before 11.5.1, are vulnerable to an XSS vulnerability in the OAuth authorization page.
Date published : 2019-07-10
http://www.securityfocus.com/bid/109163
https://about.gitlab.com/2018/11/28/security-release-gitlab-11-dot-5-dot-1-released/