GitLab 12.5 through 12.8.1 allows HTML Injection. A particular error header was potentially susceptible to injection or potentially other vulnerabilities via unescaped input.
{
"cpes": [
"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*"
],
"severity": "Medium"
}