CVE-2021-21618: Jenkins Repository Connector

Medium severity, CVSS 5.4. EPSS: 79.5% chance of exploitation in the next 30 days.

Jenkins Repository Connector Plugin 2.0.2 and earlier does not escape parameter names and descriptions for past builds, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission.

Affected products

• Jenkins Repository Connector: up to and including 2.0.2

Published 2021-02-24. Last modified 2026-06-17.