CVE-2025-13744: Improper Neutralization of Input During Web Page Generation vulnerability was identified in GitHub Enterprise Server that allowed rendering of malicious HTML

Published Jan 6, 2026
·
Updated

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.

Affected Software

7 affected components
GitHub GitHub Enterprise Server<3.20
GitHub Enterprise Server>=3.14.0<3.14.20
GitHub Enterprise Server>=3.15.0<3.15.15
GitHub Enterprise Server>=3.16.0<3.16.11
GitHub Enterprise Server>=3.17.0<3.17.8
GitHub Enterprise Server>=3.18.0<3.18.2
GitHub Enterprise Server=3.19.0

Event History

Jan 6, 2026
CVE Published
via MITRE·08:44 PM
Data Sourced
via MITRE·08:44 PM
DescriptionWeakness
Data Sourced
via NVD·09:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-13744?

CVE-2025-13744 has been rated as a high-severity vulnerability due to the potential exposure of sensitive information.

2

How do I fix CVE-2025-13744?

To remediate CVE-2025-13744, upgrade GitHub Enterprise Server to version 3.21 or higher.

3

What causes CVE-2025-13744?

CVE-2025-13744 is caused by improper neutralization of user input within the web page generation process.

4

Is my version affected by CVE-2025-13744?

Versions of GitHub Enterprise Server prior to 3.21 are affected by CVE-2025-13744.

5

What can attackers do with CVE-2025-13744?

Attackers can exploit CVE-2025-13744 to render attacker-controlled HTML, potentially leading to the exfiltration of sensitive information.

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