High · published December 18, 2025
⚡ An unrestricted file upload vulnerability in Kentico Xperience lets users with 'Read data' permissions upload any file they want — it’s like giving a kid a blank check! 💸 Think of it as a restaurant where anyone with a reservation can bring their own dish to the table without any oversight. A malicious diner might slip in a dish that looks delicious but is actually poisonous! If exploited, this vulnerability could allow an attacker to upload harmful files to the server, potentially leading to unauthorized access, data breaches, or even a complete system takeover. The consequences can be absolutely devastating for your users and your reputation!
Think of it as a restaurant where anyone with a reservation can bring their own dish to the table without any oversight. A malicious diner might slip in a dish that looks delicious but is actually poisonous! This vulnerability stems from a lack of restrictions on file uploads in Kentico Xperience. Authenticated users can manipulate file names to upload potentially malicious files through MVC form file uploader components, compromising the system's integrity.
If exploited, this vulnerability could allow an attacker to upload harmful files to the server, potentially leading to unauthorized access, data breaches, or even a complete system takeover. The consequences can be absolutely devastating for your users and your reputation! To remediate, ensure that you implement strict file type validation and limit allowed file formats. Additionally, consider incorporating security measures such as scanning uploaded files for malware and employing user permissions more stringently. Update to the latest version of the software as soon as possible! You can tackle this! Follow these steps and secure your application like a pro. 🛡️