Jenkins Claim Plugin 2.18.1 and earlier does not require POST requests for the form submission endpoint assigning claims, resulting in a cross-site request forgery (CSRF) vulnerability.

This vulnerability allows attackers to change claims.

Jenkins Claim Plugin 2.18.2 requires POST requests for the affected HTTP endpoint.

Affected Packages

Maven org.jenkins-ci.plugins:claim

Affected versions: 0 (fixed in 2.18.2)

Related CVEs

CVE-2021-21620

Key Information

GHSA ID

GHSA-4ffq-6g62-j4v4

Published

June 16, 2021 5:29 PM

Last Modified

October 27, 2023 1:36 PM

CVSS Score

5.0 /10

Primary Ecosystem

Maven

Primary Package

org.jenkins-ci.plugins:claim

GitHub Reviewed

✓ Yes

Dataset

Last updated: August 25, 2025 6:33 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.