In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, the system log viewer does not escape log record metadata (source, level, and timestamp) resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers in control of agent processes.
{
"cpes": [
"cpe:2.3:a:jenkins:jenkins:*:*:*:*:*:maven:*:*"
],
"severity": "High"
}