Medium severity · published Jan 6, 2026
CVE-2025-13744
Improper Neutralization of Input During Web Page Generation vulnerability was identified in GitHub Enterprise Server that allowed rendering of malicious HTML
5.4
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 12% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ES
Enterprise Server · GitHub
3.14.0 through 3.14.19; 3.15.0 through 3.15.14; 3.16.0 through 3.16.10; 3.17.0 through 3.17.7; 3.18.0 through 3.18.1; 3.19 through 3.19.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-13744
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-13744
Release Notes
https://docs.github.com/en/enterprise-server@3.14/admin/release-notes#3.14.20
Release Notes
https://docs.github.com/en/enterprise-server@3.15/admin/release-notes#3.15.15
Release Notes
https://docs.github.com/en/enterprise-server@3.16/admin/release-notes#3.16.11
Release Notes
https://docs.github.com/en/enterprise-server@3.17/admin/release-notes#3.17.8
Release Notes
https://docs.github.com/en/enterprise-server@3.18/admin/release-notes#3.18.2
Release Notes
https://docs.github.com/en/enterprise-server@3.19/admin/release-notes#3.19.1
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