CVE-2021-21667: Jenkins Scriptler

Medium severity, CVSS 5.4. EPSS: 75.7% chance of exploitation in the next 30 days.

Jenkins Scriptler Plugin 3.2 and earlier does not escape parameter names shown in job configuration forms, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Scriptler/Configure permission.

Affected products

• Jenkins Scriptler: up to and including 3.2

Published 2021-06-16. Last modified 2026-06-17.