CVE-2026-40728 MEDIUM

CVE-2026-40728: WordPress Magazine Blocks plugin <= 1.8.3 - Broken Access Control vulnerability

Vendor Blockart
Product Magazine Blocks
Weakness CWE-862 · Missing authorization
Published April 15, 2026
Last update April 29, 2026

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 BlockArt Magazine Blocks magazine-blocks allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Magazine Blocks: from n/a through <= 1.8.3.

Explanation of Vulnerability in Simple Terms

02Summary

Magazine Blocks for BlockArt contains an authorization flaw that allows authenticated users with low privileges to modify content they should not have access to. The vulnerability affects versions up to 1.8.3. An attacker with a basic user account can alter data integrity without requiring user interaction. Update to a version newer than 1.8.3 to remediate.

What an attacker can do

03Attacker Capabilities

Modify content or settings they lack permission to change.

Potential impact on your site

04Site Impact

Unauthorized users can alter site content, potentially defacing pages or changing settings.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

April 15, 2026 CVE published
April 29, 2026 Record updated

Related vulnerabilities

08Related CVE