GitLab 9.5.9 through 12.9 is vulnerable to stored XSS in an admin notification feature.
{
"versions": [
{
"introduced": "9.5.9"
},
{
"fixed": "12.7.8"
},
{
"introduced": "9.5.9"
},
{
"fixed": "12.7.8"
},
{
"introduced": "12.8.0"
},
{
"fixed": "12.8.8"
},
{
"introduced": "12.8.0"
},
{
"fixed": "12.8.8"
},
{
"introduced": "12.9.0"
},
{
"fixed": "12.9.1"
},
{
"introduced": "12.9.0"
},
{
"fixed": "12.9.1"
}
]
}