CVE-2025-2748 Kentico Xperience stored cross-site scripting in multiple-file upload functionality
Attackers can inject malicious scripts via file uploads in Kentico Xperience, leading to stored XSS and potential session hijacking.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-2748?
CVE-2025-2748 is a medium-severity cross-site scripting vulnerability in Kentico Xperience, published on 24 Mar 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The Kentico Xperience application does not fully validate or filter files uploaded via the multiple-file upload functionality, which allows for stored XSS.This issue affects Kentico Xperience through 13.0.178.
Which versions are affected by CVE-2025-2748?
It affects 1 product.
Products include Kentico Xperience.
How do I fix CVE-2025-2748?
No fix has been published for CVE-2025-2748 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-2025-2748 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-2748 exists.
Public exploit code: 1 Nuclei template and 1 proofs of concept on GitHub.
Other vulnerabilities in Kentico Xperience
- CVE-2025-2746 Kentico Xperience CMS Authentication Bypass Using an Alternate Path or Channel
- CVE-2025-2747 Kentico Xperience CMS Authentication Bypass Using an Alternate Path or Channel
- CVE-2019-10068 Kentico Xperience Deserialization of Untrusted Data
- CVE-2025-2749 Kentico Xperience Path Traversal
- CVE-2017-17736 Missing authorization in n/a
Sources
Also known as GHSA-fx68-23vp-xpxr.