XSS in GitHub Enterprise Server
CVE-2025-11892
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (49.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- GitHub Enterprise Server — versions 3.18.0, 3.17.0, 3.16.0
- GitHub Enterprise Server — versions 3.18.0
Weakness classification (CWE)
References
- docs.github.com/en/enterprise-server@3.18/admin/release-notes (Release Notes, Vendor Advisory)
- docs.github.com/en/enterprise-server@3.17/admin/release-notes (Release Notes, Vendor Advisory)
- docs.github.com/en/enterprise-server@3.16/admin/release-notes (Release Notes, Vendor Advisory)
- docs.github.com/en/enterprise-server@3.15/admin/release-notes (Release Notes, Vendor Advisory)
- docs.github.com/en/enterprise-server@3.14/admin/release-notes (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-11892?
- CVE-2025-11892 is a critical-severity vulnerability in GitHub Enterprise Server, classified under Cross-site Scripting. CVSS score: 9.6/10. Published 2025-11-10.
- How severe is CVE-2025-11892?
- Critical severity. CVSS v3 base score is 9.6 out of 10.