CVE-2025-11892
CRITICAL severity · CVSS 9.6 · Cross-site scripting (XSS)
9.6CVSS CRITICAL
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://docs.github.com/en/enterprise-server@3.14/admin/release-notes#3.14.19Advisory
- https://docs.github.com/en/enterprise-server@3.15/admin/release-notes#3.15.14Advisory
- https://docs.github.com/en/enterprise-server@3.16/admin/release-notes#3.16.10Advisory
- https://docs.github.com/en/enterprise-server@3.17/admin/release-notes#3.17.7Advisory
- https://docs.github.com/en/enterprise-server@3.18/admin/release-notes#3.18.1Advisory