CVE-2025-28168 File upload in Multiple File Upload
Attackers can upload arbitrary files by bypassing client-side validation in the Multiple File Upload add-on for OutSystems.
- 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-2025-28168?
CVE-2025-28168 is a medium-severity vulnerability in Multiple File Upload, published on 5 May 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Multiple File Upload add-on component 3.1.0 for OutSystems is vulnerable to Unrestricted File Upload. This occurs because file extension and size validations are enforced solely on the client side. An attacker can intercept the upload request and modify a parameter to bypass extension restrictions and upload arbitrary files. NOTE: this is a third-party component that is not supplied or supported by OutSystems.
Which versions are affected by CVE-2025-28168?
It affects 1 product.
Products include Multiple File Upload Project Multiple File Upload.
How do I fix CVE-2025-28168?
No fix has been published for CVE-2025-28168 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-28168 being exploited?
There is no known exploitation of CVE-2025-28168 in the wild and no public exploit code.
Sources
Also known as GHSA-x9rr-xwxc-jcjf.