CVE-2026-42523

Description

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 Vector

References

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