CVE-2019-10401: Jenkins

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

In Jenkins 2.196 and earlier, LTS 2.176.3 and earlier, the f:expandableTextBox form control interpreted its content as HTML when expanded, resulting in a stored XSS vulnerability exploitable by users with permission to define its contents (typically Job/Configure).

Affected products

• Jenkins Jenkins: up to and including 2.176.3; up to and including 2.196

Published 2019-09-25. Last modified 2026-06-17.