Jenkins Mashup Portlets Plugin 1.1.2 and earlier provides the "Generic JS Portlet" feature that lets a user populate a portlet using a custom JavaScript expression.
This results in a stored cross-site scripting (XSS) vulnerability exploitable by authenticated attackers with Overall/Read permission.
{
"nvd_published_at": "2023-04-02T21:15:00Z",
"severity": "HIGH",
"cwe_ids": [
"CWE-79"
],
"github_reviewed": true,
"github_reviewed_at": "2023-04-10T16:39:20Z"
}