What the vulnerability does
01Description
Missing Authorization vulnerability in Syed Balkhi All In One SEO Pack all-in-one-seo-pack allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects All In One SEO Pack: from n/a through <= 4.8.7.1.
Explanation of Vulnerability in Simple Terms
02Summary
All In One SEO Pack versions up to 4.8.7.1 lack proper authorization checks, allowing authenticated users with low privileges to modify site data. An attacker with a basic user account can alter SEO settings and other configuration without proper permission validation. Update to a version newer than 4.8.7.1 to resolve this issue.
What an attacker can do
03Attacker Capabilities
Modify SEO settings and site configuration without proper authorization.
Potential impact on your site
04Site Impact
Unauthorized users can alter SEO metadata, site settings, and potentially degrade search visibility or site functionality.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege user account on the site (e.g., subscriber or contributor role).
Key dates
06Disclosure timeline
September 22, 2025
CVE published
May 12, 2026
Record updated