CVE-2026-42523

FAUCET Score

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.

First published: Apr 29, 2026Last modified: Apr 29, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 1.46.0.1CPE matchmatch criteria	cpe:2.3:a:jenkins:github::::::jenkins::*

CVSS Data

CVSS version used by this source: 3.1

9.0CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Exploitability Score

2.3

Impact Score

6.0

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.28%

Probability of exploitation in next 30 days

EPSS Percentile

20.3%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0028 is in the 11th percentile among its peer group of 265 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.6 Bluesky, 0.3 Mastodon, and 1.6 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

mavenpatch availablevia ghsa

Product: org.jenkins-ci.plugins:gitFixed in: 1.46.0.1

jenkinsvendor investigatingvia nvd_reference

View patch

Vendor Advisories (1)

mavenGHSA-w22p-4x9f-486vcritical

Jenkins GitHub Plugin has an XSS vulnerability

Apr 29, 2026

References

jenkins.io / security/advisory/2026-04-29

Vendor Advisory