What is GHSA-wv63-gwr9-5c55?

GHSA-wv63-gwr9-5c55 is a security advisory published by GitHub Security Advisories with Medium severity. Stored XSS vulnerability in Jenkins button labels

Which CVE IDs does GHSA-wv63-gwr9-5c55 cover?

GHSA-wv63-gwr9-5c55 covers the following CVE IDs: CVE-2021-21608. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-wv63-gwr9-5c55?

GHSA-wv63-gwr9-5c55 has a CVSS v3 base score of 5.4, published by GitHub Security Advisories.

Which products are affected by GHSA-wv63-gwr9-5c55?

GHSA-wv63-gwr9-5c55 affects 2 products, including: maven/org.jenkins-ci.main:jenkins-core:\u003c 2.263.1; maven/org.jenkins-ci.main:jenkins-core:\u003e= 2.263.2, \u003c= 2.274.

GHSA-wv63-gwr9-5c55MediumCVSS 5.4

Stored XSS vulnerability in Jenkins button labels

Vendor

GitHub Security Advisories

Published

May 24, 2022

Last Modified

December 14, 2023

🔗 CVE IDs covered (1)

CVE-2021-21608 →

📋 Description

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape button labels in the Jenkins UI.

This results in a cross-site scripting vulnerability exploitable by attackers with the ability to control button labels. An example of buttons with a user-controlled label are the buttons of the Pipeline input step.

Jenkins 2.275, LTS 2.263.2 escapes button labels in the Jenkins UI.

🎯 Affected products2

maven/org.jenkins-ci.main:jenkins-core:< 2.263.1
maven/org.jenkins-ci.main:jenkins-core:>= 2.263.2, <= 2.274

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2021-21608
https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-2035
https://github.com/jenkinsci/jenkins/commit/8c451b08886561a914ef0c30cbb9d40ea33a9bbe
https://github.com/advisories/GHSA-wv63-gwr9-5c55