CVE-2026-66469 HIGH

CVE-2026-66469: WordPress Arvow AI SEO Writer plugin <= 1.5.3 - Broken Access Control vulnerability

Vendor Afonso Matos
Product Arvow AI SEO Writer
Weakness CWE-862 · Missing authorization
Published August 13, 2026
Last update August 13, 2026

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Unauthenticated Broken Access Control in Arvow AI SEO Writer <= 1.5.3 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Arvow AI SEO Writer versions up to 1.5.3 lack proper authorization checks, allowing unauthenticated attackers to modify content or settings on affected sites. The vulnerability requires no user interaction and can be exploited over the network. Site administrators should update to a version newer than 1.5.3 when available.

What an attacker can do

03Attacker Capabilities

Modify site content or settings without authentication.

Potential impact on your site

04Site Impact

Attackers can alter your site's content, SEO settings, or configuration without logging in.

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