What is GHSA-m2jq-fx7h-7hr9?

GHSA-m2jq-fx7h-7hr9 is a security advisory published by GitHub Security Advisories with Medium severity. Jenkins update-center2 3.18.3 and earlier does not escape plugin-provided values (plugin names,...

Which CVE IDs does GHSA-m2jq-fx7h-7hr9 cover?

GHSA-m2jq-fx7h-7hr9 covers the following CVE IDs: CVE-2026-84677. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-m2jq-fx7h-7hr9?

GHSA-m2jq-fx7h-7hr9 has a CVSS v3 base score of 5.4, published by GitHub Security Advisories.

GHSA-m2jq-fx7h-7hr9MediumCVSS 5.4

Jenkins update-center2 3.18.3 and earlier does not escape plugin-provided values (plugin names,...

Vendor

GitHub Security Advisories

Published

September 2, 2026

Last Modified

September 2, 2026

🔗 CVE IDs covered (1)

CVE-2026-84677 →

📋 Description

Jenkins update-center2 3.18.3 and earlier does not escape plugin-provided values (plugin names, descriptions, and version metadata) on plugin download index pages, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to provide a plugin for hosting.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-84677
https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-4038
https://github.com/advisories/GHSA-m2jq-fx7h-7hr9