GitLab EE 11.0 and later through 12.7.2 allows XSS.
https://about.gitlab.com/releases/2020/01/30/security-release-gitlab-12-7-4-released/
https://about.gitlab.com/blog/categories/releases/
Source: Mitre, NVD
Published: 2020-02-05
Updated: 2020-02-06
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N