CVE-2023-39151: Jenkins

Medium severity, CVSS 5.4. EPSS: 1% chance of exploitation in the next 30 days.

Jenkins 2.415 and earlier, LTS 2.401.2 and earlier does not sanitize or properly encode URLs in build logs when transforming them into hyperlinks, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to control build log contents.

Affected products

• Jenkins Jenkins: up to and including 2.415; up to and including 2.401.2

Published 2023-07-26. Last modified 2026-06-17.