XSS in Github Enterprise_server

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. Exploitation required access to the target GitHub Enterprise…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (19.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-3246?
CVE-2025-3246 is a high-severity vulnerability in Github Enterprise_server, classified under Cross-site Scripting. CVSS score: 7.6/10. Published 2025-04-17.
How severe is CVE-2025-3246?
High severity. CVSS v3 base score is 7.6 out of 10.
Is CVE-2025-3246 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.