GitHub Enterprise Server Cross-Site Scripting Vulnerability in Math Blocks

A cross-site scripting vulnerability has been identified in GitHub Enterprise Server version 3.16.1. This issue arises from improper input neutralization in GitHub Markdown, specifically within math blocks denoted by `$$..$$`. Exploitation of this vulnerability requires access to the affected GitHub Enterprise Server instance and privileged user interaction with the malicious elements.

Impact

Exploitation of this vulnerability allows for cross-site scripting, where an attacker can inject malicious scripts that are executed in the context of the user's browser.

Remediation

Users can upgrade to GitHub Enterprise Server version 3.16.2, where this vulnerability has been fixed.