CVE-2021-21628: Jenkins Build With Parameters

Medium severity, CVSS 5.4. EPSS: 81.4% chance of exploitation in the next 30 days.

Jenkins Build With Parameters Plugin 1.5 and earlier does not escape parameter names and descriptions, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.

Affected products

• Jenkins Build With Parameters: up to and including 1.5

Published 2021-03-30. Last modified 2026-06-17.