CVE-2021-21680: Jenkins Nested View

High severity, CVSS 7.1. EPSS: 1.3% chance of exploitation in the next 30 days.

Jenkins Nested View Plugin 1.20 and earlier does not configure its XML transformer to prevent XML external entity (XXE) attacks.

Affected products

• Jenkins Nested View: up to and including 1.20

Published 2021-08-31. Last modified 2026-06-17.