Medium severity5.4NVD Advisory· Published Sep 2, 2026· Updated Sep 3, 2026
CVE-2026-84677
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: <=3.18.3
- Range: <=3.18.3
Patches
Vulnerability mechanics
References
1News mentions
3- Jenkins: 25 Vulnerabilities Disclosed Together, Including RCE and XSS FlawsVypr Intelligence · Sep 2, 2026
- Jenkins: 14 Vulnerabilities Disclosed Together, Including High-Severity Deserialization FlawsVypr Intelligence · Sep 2, 2026
- Jenkins Security Advisory 2026-09-02Jenkins Security Advisories · Sep 2, 2026