Jenkins 2.415 and earlier, LTS 2.401.2 and earlier does not sanitize or properly encode URLs in build logs when transforming them into hyperlinks, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to control build log contents.
{
"versions": [
{
"introduced": "0"
},
{
"last_affected": "2.415"
},
{
"introduced": "0"
},
{
"last_affected": "2.401.2"
}
]
}