What the vulnerability does
01Description
Authorization Bypass Through User-Controlled Key vulnerability in N-Media Frontend File Manager nmedia-user-file-uploader allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Frontend File Manager: from n/a through <= 23.5.
Explanation of Vulnerability in Simple Terms
02Summary
Frontend File Manager versions 23.5 and earlier contain an authorization flaw that allows unauthenticated attackers to read sensitive file information over the network. The vulnerability requires no user interaction and affects the confidentiality of stored data. Site administrators should update to a version newer than 23.5 as soon as possible.
What an attacker can do
03Attacker Capabilities
Read sensitive file metadata or contents without logging in.
Potential impact on your site
04Site Impact
Attackers can access file information that should be restricted, potentially exposing private data.
Conditions required to exploit
05Prerequisites
Network access to the site; no authentication or user interaction required.
Key dates
06Disclosure timeline
February 19, 2026
CVE published
April 28, 2026
Record updated