Jenkins Brakeman Plugin 0.12 and earlier did not escape values received from parsed JSON files when rendering them, resulting in a stored cross-site scripting vulnerability exploitable by users able to control the Brakeman post-build step input data.
{
"source": "CPE_FIELD",
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "0.12"
}
],
"cpe": "cpe:2.3:a:jenkins:brakeman:*:*:*:*:*:jenkins:*:*"
}