XSS in Github Enterprise Server
CVE-2025-13744
An Improper Neutralization of Input During Web Page Generation vulnerability was identified in GitHub Enterprise Server that allowed attacker controlled HTML to be rendered by the Filter component (search) across GitHub that could be used to exfiltrate sensitive information. An attacker would require permissions to create or modify the names of milestones, issues, pull requests, or similar entities that are rendered in the vulnerable filter/search components. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.20 and was fixed in versions 3.19.1, and 3.18.2, 3.17.8, 3.16.11, 3.15.15, and 3.14.20. This vulnerability was reported via the GitHub Bug Bounty program.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.002 (8.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Github Enterprise Server — versions 3.14.0, 3.15.0, 3.16.0
- Github Enterprise_server — versions 3.19.0
Weakness classification (CWE)
References
- product-cna@github.com (release-notes, Release Notes)
- product-cna@github.com (release-notes, Release Notes)
- product-cna@github.com (release-notes, Release Notes)
- product-cna@github.com (release-notes, Release Notes)
- product-cna@github.com (release-notes, Release Notes)
- product-cna@github.com (release-notes, Release Notes)
Frequently asked questions
- What is CVE-2025-13744?
- CVE-2025-13744 is a medium-severity vulnerability in Github Enterprise Server, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-01-06.
- How severe is CVE-2025-13744?
- Medium severity. CVSS v3 base score is 5.4 out of 10.