CVE-2025-67842: mintlify — Exploit & Fix

Description

The Static Asset API in Mintlify Platform before 2025-11-15 allows remote attackers to inject arbitrary web script or HTML via the subdomain parameter because any tenant's assets can be served on any other tenant's documentation site.

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CVSS v3.1 Score

6.4

MEDIUM

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

Weakness Type (CWE)

CWE-829 CWE-829

Affected Products

Vendor	Product	Versions
mintlify	mintlify	< 2025-11-15

References

Advisories & Patches

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

Exploits

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

Other References

https://gist.github.com/hackermondev/5e2cdc32849405fff6b46957747a2d28 https://heartbreak.ing https://news.ycombinator.com/item?id=46317098 https://www.mintlify.com/docs/changelog

Frequently Asked Questions

What is CVE-2025-67842? +

The Static Asset API in Mintlify Platform before 2025-11-15 allows remote attackers to inject arbitrary web script or HTML via the subdomain parameter because any tenant's assets can be served on any other tenant's documentation site. It has a CVSS v3.1 base score of 6.4 (MEDIUM).

How severe is CVE-2025-67842? +

CVE-2025-67842 has a CVSS v3.1 score of 6.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-67842? +

CVE-2025-67842 affects products from mintlify, specifically: mintlify. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-67842? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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