CVE-2025-3246 HIGH

CVE-2025-3246: Markdown math block sanitization bypass allows privilege escalation and unauthorized workflow triggers

Vendor Github
Product GitHub Enterprise Server
Weakness CWE-79 · XSS
Published April 17, 2025
Last update April 18, 2025
View on NVD All CVEs

CVSS base score

8.6/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction —
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N

What the vulnerability does

01Description

An improper neutralization of input vulnerability was identified in GitHub Enterprise Server that allowed cross-site scripting in GitHub Markdown that used `$$..$$` math blocks. Exploitation required access to the target GitHub Enterprise Server instance and privileged user interaction with the malicious elements. This vulnerability affected version 3.16.1 of GitHub Enterprise Server and was fixed in version 3.16.2. This vulnerability was reported via the GitHub Bug Bounty program.

Key dates

02Disclosure timeline

April 17, 2025 CVE published
April 18, 2025 Record updated