GitLab 9.5.9 through 12.9 is vulnerable to stored XSS in an admin notification feature.
{
"severity": "Medium",
"cpes": [
"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*"
]
}