CVE-2026-42523

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CVSS 3.1

9.0 critical

EPSS

<1%p20

Published

Apr 29, 2026 (Apr 29, 2026)

Modified

Jun 17, 2026

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.

Vendors: jenkins
Products: github
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.3%)

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