ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2025-3246

An improper neutralization of input vulnerability was identified in GitHub Enterprise Server that allowed cross-site scripting in GitHub Markdown that used math blocks.

Published Apr 17, 2025 · catalog updated Apr 18, 2025 · GitHub GitHub Enterprise Server

Check if you run it

No confirmed exploitation is on record for CVE-2025-3246. EPSS is 0.30%. Act only if a listed version of GitHub GitHub Enterprise Server is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.6
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.30%
Remediation
Vendor / distro source
Affected products
vendor GitHub GitHub Enterprise Server 3.16 ≤3.16.1

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor GitHub GitHub Enterprise Server 3.16 ≤3.16.13.16 ≤3.16.1

How to fix CVE-2025-3246

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-3246. EPSS is 0.30%. Act only if a listed version of GitHub GitHub Enterprise Server is installed.

Which versions are affected?

Compare what you have installed with GitHub GitHub Enterprise Server 3.16 ≤3.16.1 3.16 ≤3.16.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.30%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 17, 2025 · EUVD

    Detected

    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 versi

  2. Apr 18, 2025 · EUVD

    Updated

    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 versi

Sources

  • CVE.orgVulnerability recordCVE-2025-3246

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-3246

    30-day exploitation probability 0.3%

    first.org
  • EUVDVulnerability recordEUVD-2025-11795

    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 wi

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.