CVE-2025-67842 Cross-site scripting in Mintlify Platform
Remote attackers can inject arbitrary web script or HTML via the subdomain parameter, compromising tenant isolation on documentation sites.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-67842?
CVE-2025-67842 is a medium-severity cross-site scripting vulnerability in Mintlify Platform, published on 19 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-829
Which versions are affected by CVE-2025-67842?
It affects 1 product.
Products include Mintlify Mintlify.
How do I fix CVE-2025-67842?
No fix has been published for CVE-2025-67842 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2025-67842 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-67842 exists.
Other vulnerabilities in Mintlify Platform
Sources
Also known as GHSA-rx26-cqvh-gprg.