CVE-2023-25765: Jenkins Email Extension

Critical severity, CVSS 9.9. EPSS: 1.1% chance of exploitation in the next 30 days.

In Jenkins Email Extension Plugin 2.93 and earlier, templates defined inside a folder were not subject to Script Security protection, allowing attackers able to define email templates in folders to bypass the sandbox protection and execute arbitrary code in the context of the Jenkins controller JVM.

Affected products

• Jenkins Email Extension: before 2.93.1 (fixed in 2.93.1)

Published 2023-02-15. Last modified 2026-06-17.