CVE-2025-3246

Markdown math block sanitization bypass allows privilege escalation and unauthorized workflow triggers

Description

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.

Category

8.6
CVSS
Severity: High
CVSS 4.0 •
EPSS 0.06%
Affected: GitHub GitHub Enterprise Server
Published at:
Updated at:

References

Link Tags
https://docs.github.com/en/enterprise-server@3.16/admin/release-notes#3.16.2

Frequently Asked Questions

What is the severity of CVE-2025-3246?
CVE-2025-3246 has been scored as a high severity vulnerability.
How to fix CVE-2025-3246?
To fix CVE-2025-3246, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-3246 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-3246 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-3246?
CVE-2025-3246 affects GitHub GitHub Enterprise Server.
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