CVE-2020-2229: Jenkins

Medium severity, CVSS 5.4. EPSS: 6.8% chance of exploitation in the next 30 days.

Jenkins 2.251 and earlier, LTS 2.235.3 and earlier does not escape the tooltip content of help icons, resulting in a stored cross-site scripting (XSS) vulnerability.

Affected products

• Jenkins Jenkins: up to and including 2.235.3; up to and including 2.251

Published 2020-08-12. Last modified 2026-06-17.