CVE-2026-42523
- State
- Published
- Severity
- 9.0 Critical
- Published
- Apr 29, 2026
- Updated
- Apr 29, 2026
- Reserved
- Apr 28, 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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.0 Critical | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
Jenkins GitHub PluginJenkins Project |
|
References
- Jenkins Security Advisory 2026-04-29vendor-advisory
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