Vulnerability DatabaseCVE-2026-42523
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CVE-2026-42523
Published:April 29, 2026
Updated:May 18, 2026
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.
Affected Packages
com.coravy.hudson.plugins.github:github (JAVA):
Affected version(s) >=0.1 <1.46.0.1
Fix Suggestion:
Update to version 1.46.0.1
Related Resources (2)
https://nvd.nist.gov/vuln/detail/CVE-2026-42523
https://www.jenkins.io/security/advisory/2026-04-29/#SECURITY-3704
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CVSS v4
Base Score:
9.4
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
HIGH
CVSS v3
Base Score:
9
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-79
EPSS
Base Score:
0.04