CVE-2023-43495: Jenkins

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

Jenkins 2.423 and earlier, LTS 2.414.1 and earlier does not escape the value of the 'caption' constructor parameter of 'ExpandableDetailsNote', resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to control this parameter.

Affected products

• Jenkins Jenkins: before 2.414.2 (fixed in 2.414.2); before 2.424 (fixed in 2.424)

Published 2023-09-20. Last modified 2026-06-17.