CVE-2019-25229 Kentico Xperience <= 12.0.29 MVC Forms Unrestricted File Upload

High 8.7 Published Updated

Authenticated users can upload arbitrary malicious files via MVC forms, potentially leading to code execution or data modification.

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-2019-25229?

CVE-2019-25229 is a high-severity vulnerability in Kentico Xperience, published on 18 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An unrestricted file upload vulnerability in Kentico Xperience allows authenticated users with 'Read data' permissions to upload arbitrary file types via MVC form file uploader components. Attackers can manipulate file names and upload potentially malicious files to the system, enabling unauthorized file uploads.

Weakness: CWE-434

Which versions are affected by CVE-2019-25229?

It affects 1 product.

Products include Kentico Xperience.

How do I fix CVE-2019-25229?

No fix has been published for CVE-2019-25229 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-25229 being exploited?

There is no known exploitation of CVE-2019-25229 in the wild and no public exploit code.

All Kentico Xperience vulnerabilities

Sources

Also known as GHSA-v6gf-3m9q-j3wr.

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