An issue was discovered in GitLab Community and Enterprise Edition 11.x before 11.3.11, 11.4.x before 11.4.8, and 11.5.x before 11.5.1. There is a persistent XSS vulnerability in the environment pages due to a lack of input validation and output encoding.
{
"versions": [
{
"introduced": "11.0.0"
},
{
"fixed": "11.3.11"
},
{
"introduced": "11.0.0"
},
{
"fixed": "11.3.11"
},
{
"introduced": "11.4.0"
},
{
"fixed": "11.4.8"
},
{
"introduced": "11.4.0"
},
{
"fixed": "11.4.8"
},
{
"introduced": "11.5.0"
},
{
"fixed": "11.5.1"
},
{
"introduced": "11.5.0"
},
{
"fixed": "11.5.1"
}
]
}