What the vulnerability does
01Description
Authorization Bypass Through User-Controlled Key vulnerability in RadiusTheme Radius Blocks radius-blocks allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Radius Blocks: from n/a through <= 2.2.1.
Explanation of Vulnerability in Simple Terms
02Summary
Radius Blocks versions 2.2.1 and earlier contain an authorization flaw that allows authenticated users to access sensitive information they should not be able to view. The vulnerability requires a valid user account but no special privileges. An attacker with low-level access can read data intended for other users or administrators.
What an attacker can do
03Attacker Capabilities
Read sensitive information belonging to other users or the site.
Potential impact on your site
04Site Impact
User data and sensitive information may be exposed to authenticated attackers with basic account access.
Conditions required to exploit
05Prerequisites
Attacker must have a valid user account with low-level privileges on the site.
Key dates
06Disclosure timeline
December 18, 2025
CVE published
April 28, 2026
Record updated