CVE-2026-24543 MEDIUM

CVE-2026-24543: WordPress Materialis Companion plugin <= 1.3.52 - Broken Access Control vulnerability

Vendor Horea Radu
Product Materialis Companion
Weakness CWE-862 · Missing authorization
Published January 23, 2026
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

What the vulnerability does

01Description

Missing Authorization vulnerability in Horea Radu Materialis Companion materialis-companion allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Materialis Companion: from n/a through <= 1.3.52.

Explanation of Vulnerability in Simple Terms

02Summary

Materialis Companion versions up to 1.3.52 lack proper authorization checks, allowing authenticated users to modify data they should not have access to. An attacker with a low-privilege account can alter content or settings without proper permission validation. The vulnerability affects the integrity of site data but does not expose sensitive information or cause service disruption.

What an attacker can do

03Attacker Capabilities

Modify site data or settings without proper authorization.

Potential impact on your site

04Site Impact

Unauthorized users can alter site content, settings, or data they should not be able to change.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege user account on the site.

Key dates

06Disclosure timeline

January 23, 2026 CVE published
April 28, 2026 Record updated