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TI-2025-10903 Aliases CVE-2025-11892GHSA-q963-9rqv-mq7m

Cross-site scripting in GitHub Enterprise Server

Priority MEDIUM 46CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

An improper neutralization of input vulnerability was identified in GitHub Enterprise Server that allows DOM-based cross-site scripting via Issues search label filter that could lead to privilege escalation and unauthorized workflow triggers. Successful exploitation requires an attacker to have access to the target GitHub Enterprise Server instance and to entice a user, while operating in sudo mode, to click on a crafted malicious link to perform actions that require elevated privileges. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.18.1, 3.17.7, 3.16.10, 3.15.14, 3.14.19.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00699 53rd percentileScored 2026-11-07
Fix Fixed Enterprise Server (GitHub): 3.18.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
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
GitHubEnterprise Server3.18.0 to before 3.18.1; 3.17.0 – 3.17.6; 3.16.0 – 3.16.9; 3.15.0 – 3.15.13; 3.14.0 – 3.14.183.18.1Patch availableCNA
  • Enterprise Server VendorGitHub Affected 3.18.0 to before 3.18.1; 3.17.0 – 3.17.6; 3.16.0 – 3.16.9; 3.15.0 – 3.15.13; 3.14.0 – 3.14.18 Fixed in 3.18.1 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*before 3.14.19; 3.15.0 to before 3.15.14; 3.16.0 to before 3.16.10; 3.17.0 to before 3.17.7VulnerableGitHub
cpe:2.3:a:github:enterprise_server:3.18.0:*:*:*:*:*:*:*3.18.0VulnerableGitHub
  • cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:* Versions before 3.14.19; 3.15.0 to before 3.15.14; 3.16.0 to before 3.16.10; 3.17.0 to before 3.17.7 Vulnerable ·GitHub
  • cpe:2.3:a:github:enterprise_server:3.18.0:*:*:*:*:*:*:* Versions 3.18.0 Vulnerable ·GitHub

Remediation

  • Fix · CNA Enterprise Server (GitHub) Fixed in 3.18.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-11892
  2. 2026-10-03 Alias added: GHSA-q963-9rqv-mq7m
  3. 2026-10-11 EPSS moved to the 50th–90th percentile

References

Advisory 5

  • TI-2024-04632 An authentication bypass vulnerability was present in the GitHub Enterprise Server (GHES)… CVSS 4.0CRITICAL 10.0
  • TI-2024-00181 Unsafe Reflection in Github Enterprise Server leading to Command Injection CVSS 3.1CRITICAL 9.8
  • TI-2024-00466 Privilege Escalation by Code Injection in the Management Console in GitHub Enterprise Server CVSS 3.1HIGH 8.8
  • TI-2026-03340 Remote code execution via git push option injection in GitHub Enterprise Server CVSS 4.0HIGH 8.7
  • TI-2024-08804 Improper signature verification in GitHub Enterprise Server CVSS 4.0CRITICAL 9.5
  • TI-2026-08177 Server-side request forgery in GitHub Enterprise Server CVSS 4.0CRITICAL 9.2
See all 125 →

Sources

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