// For flags

CVE-2025-3246

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

Severity Score

8.6
*CVSS v4

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

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.

Se identificó una vulnerabilidad de neutralización de entrada incorrecta en GitHub Enterprise Server que permitía cross-site scripting en GitHub Markdown que utilizaban bloques matemáticos `$$..$$`. Su explotación requería acceso a la instancia de GitHub Enterprise Server objetivo e interacción de usuario privilegiado con los elementos maliciosos. Esta vulnerabilidad afectó a la versión 3.16.1 de GitHub Enterprise Server y se corrigió en la versión 3.16.2. Esta vulnerabilidad se reportó a través del programa de recompensas por errores de GitHub.

*Credits: André Storfjord Kristiansen
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Attack Requirements
Present
Privileges Required
Low
User Interaction
Active
System
Vulnerable | Subsequent
Confidentiality
High
High
Integrity
High
High
Availability
None
None
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Medium
Authentication
Single
Confidentiality
None
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2025-04-03 CVE Reserved
  • 2025-04-17 CVE Published
  • 2025-04-21 CVE Updated
  • 2025-05-19 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC
  • CAPEC-63: Cross-Site Scripting (XSS)
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
GitHub
Search vendor "GitHub"
 GitHub Enterprise Server
Search vendor "GitHub" for product "GitHub Enterprise Server"
 >= 3.16.0 <= 3.16.1
Search vendor "GitHub" for product "GitHub Enterprise Server" and version " >= 3.16.0 <= 3.16.1"
en
Affected