CVE-2025-67843

8.3 HIGH

Published: December 19, 2025 Modified: January 02, 2026

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://kibty.town/blog/mintlify/

Source: cve@mitre.org

Exploit Third Party Advisory

https://news.ycombinator.com/item?id=46317098

Source: cve@mitre.org

Issue Tracking

https://www.mintlify.com/blog/working-with-security-researchers-november-2025

Source: cve@mitre.org

Vendor Advisory

https://www.mintlify.com/docs/changelog

Source: cve@mitre.org

Release Notes

https://kibty.town/blog/mintlify/

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

Exploit Third Party Advisory

5 reference(s) from NVD

Quick Stats

CVSS v3 Score

8.3 / 10.0

EPSS (Exploit Probability)

0.4%

62th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-1336

Affected Vendors

mintlify

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