CVE-2026-42523

CVSS 9 CRITICALEPSS 0.3%CWE-79

Vexday Risk Score

28Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 9EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

29 Apr 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Jenkins GitHub Plugin 1.46.0 and earlier improperly processes the current job URL as part of JavaScript implementing validation of the feature "GitHub hook trigger for GITScm polling", resulting in a stored cross-site scripting (XSS) vulnerability exploitable by non-anonymous attackers with Overall/Read permission.

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Affected products

Jenkins Project · Jenkins GitHub Plugin

References

https://www.jenkins.io/security/advisory/2026-04-29/#SECURITY-3704