CVE-2026-66459 MEDIUM

CVE-2026-66459: WordPress AI for SEO plugin <= 2.4.2 - Broken Access Control vulnerability

Vendor Space Codes
Product AI for SEO
Weakness CWE-862 · Missing authorization
Published August 13, 2026
Last update August 13, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Unauthenticated Broken Access Control in AI for SEO <= 2.4.2 versions.

Explanation of Vulnerability in Simple Terms

02Summary

AI for SEO versions up to 2.4.2 lack proper authorization checks, allowing unauthenticated attackers to modify site data and disrupt service. The vulnerability requires no user interaction and can be exploited over the network. Site administrators should update to a version newer than 2.4.2 as soon as available.

What an attacker can do

03Attacker Capabilities

Modify site data and cause service disruption without authentication.

Potential impact on your site

04Site Impact

Unauthorized changes to site content and potential downtime affecting site availability.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

August 13, 2026 CVE published

Related vulnerabilities

08Related CVE