CVE-2020-2161: Jenkins

Medium severity, CVSS 5.4. EPSS: 1.2% chance of exploitation in the next 30 days.

Jenkins 2.227 and earlier, LTS 2.204.5 and earlier does not properly escape node labels that are shown in the form validation for label expressions on job configuration pages, resulting in a stored XSS vulnerability exploitable by users able to define node labels.

Affected products

• Jenkins Jenkins: up to and including 2.204.5; up to and including 2.227

Published 2020-03-25. Last modified 2026-06-17.