CVE-2020-2137: Jenkins Timestamper

Medium severity, CVSS 4.8. EPSS: 0.7% chance of exploitation in the next 30 days.

Jenkins Timestamper Plugin 1.11.1 and earlier does not sanitize HTML formatting of its output, resulting in a stored XSS vulnerability exploitable by attackers with Overall/Administer permission.

Affected products

• Jenkins Timestamper: up to and including 1.11.1

Published 2020-03-09. Last modified 2026-06-17.