CVE-2025-31555 MEDIUM

CVE-2025-31555: WordPress ContentMX Content Publisher plugin <= 1.0.6 - Broken Access Control vulnerability

Vendor Contentmx
Product ContentMX Content Publisher
Weakness CWE-862 · Missing authorization
Published March 31, 2025
Last update April 28, 2026

CVSS base score

5.4/10
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:L

What the vulnerability does

01Description

Missing Authorization vulnerability in ContentMX ContentMX Content Publisher contentmx-content-publisher allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects ContentMX Content Publisher: from n/a through <= 1.0.6.

Explanation of Vulnerability in Simple Terms

02Summary

ContentMX Content Publisher versions 1.0.6 and earlier lack proper authorization checks, allowing authenticated users to modify or delete content they should not have access to. An attacker with a low-privilege account can change or remove data belonging to other users or restricted areas. The vulnerability requires valid login credentials but no additional user interaction.

What an attacker can do

03Attacker Capabilities

Modify or delete content and data belonging to other users or restricted areas.

Potential impact on your site

04Site Impact

Unauthorized content modification or deletion by authenticated users; data integrity compromised without admin action.

Conditions required to exploit

05Prerequisites

Attacker must have a valid low-privilege user account on the ContentMX instance.

Key dates

06Disclosure timeline

March 31, 2025 CVE published
April 28, 2026 Record updated