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TI-2026-30806 Aliases CVE-2026-42523GHSA-w22p-4x9f-486v

Cross-site scripting in Jenkins GitHub Plugin

Priority MEDIUM 41CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00281 20th percentileScored 2026-11-07
Fix Fixed com.coravy.hudson.plugins.github:github (Maven): 1.46.0.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
JenkinsJenkins GitHub Pluginup to 1.46.0—No fix listedCNA
—com.coravy.hudson.plugins.github:github (Maven)before 1.46.0.11.46.0.1Patch availableGHSA-w22p-4x9f-486v
  • Jenkins GitHub Plugin VendorJenkins Affected up to 1.46.0 Fixed in — No fix listed CNA
  • com.coravy.hudson.plugins.github:github (Maven) Vendor— Affected before 1.46.0.1 Fixed in 1.46.0.1 Patch available GHSA-w22p-4x9f-486v

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jenkins:github:*:*:*:*:*:jenkins:*:*before 1.46.0.1VulnerableJenkins
  • cpe:2.3:a:jenkins:github:*:*:*:*:*:jenkins:*:* Versions before 1.46.0.1 Vulnerable ·Jenkins

Remediation

  • Fix · GHSA-w22p-4x9f-486v com.coravy.hudson.plugins.github:github (Maven) Fixed in 1.46.0.1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-42523
  2. 2026-10-03 Alias added: GHSA-w22p-4x9f-486v

References

Advisory 2

Other 1

  • TI-2018-15955 A exposure of sensitive information vulnerability exists in Jenkins GitHub Plugin 1.29.1… CVSS 3.0HIGH 8.8
  • TI-2018-15832 A exposure of sensitive information vulnerability exists in Jenkins GitHub Plugin 1.29.0… CVSS 3.0MEDIUM 6.5
  • TI-2023-25152 Cross-site scripting in Jenkins GitHub Plugin CVSS 3.1MEDIUM 5.4
  • TI-2022-17100 Observable discrepancy in Jenkins GitHub Plugin CVSS 3.1MEDIUM 5.3
  • TI-2018-15833 A server-side request forgery vulnerability exists in Jenkins GitHub Plugin 1.29.0 and… CVSS 3.0MEDIUM 5.4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences