CVE-2025-67843

Dec. 23, 2025, 8:15 p.m.

8.3
High

Description

A Server-Side Template Injection (SSTI) vulnerability in the MDX Rendering Engine in Mintlify Platform before 2025-11-15 allows remote attackers to execute arbitrary code via inline JSX expressions in an MDX file.

Product(s) Impacted

Product Versions

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-1336
Improper Neutralization of Special Elements Used in a Template Engine
The product uses a template engine to insert or process externally-influenced input, but it does not neutralize or incorrectly neutralizes special elements or syntax that can be interpreted as template expressions or other code directives when processed by the engine.

References

https://kibty.town/blog/mintlify/
https://news.ycombinator.com/item?id=46317098
https://www.mintlify.com/blog/working-with-security-researchers-november-2025
https://www.mintlify.com/docs/changelog
https://kibty.town/blog/mintlify/

Tags

cve@mitre.org
2025-12-19
CVE-2025-67843

CVSS Score

8.3 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Privileges Required: LOW
  • Scope: UNCHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: LOW

    • CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

    View Vector String

Timeline

Published: Dec. 19, 2025, 2:16 a.m.
Last Modified: Dec. 23, 2025, 8:15 p.m.

Status : Undergoing Analysis

CVE is currently being analyzed by NVD staff, this process results in association of reference link tags, CVSS scores, CWE association, and CPE applicability statements.

More info

Source

cve@mitre.org

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.