What the vulnerability does
01Description
The Search Atlas SEO – Premier SEO Plugin for One-Click WP Publishing & Integrated AI Optimization plugin for WordPress is vulnerable to authentication bypass due to a missing capability check on the 'generate_sso_url' and 'validate_sso_token' functions in versions 2.4.4 to 2.5.12. This makes it possible for authenticated attackers, with Subscriber-level access and above, to extract the 'nonce_token' authentication value to log in to the first Administrator's account.
Explanation of Vulnerability in Simple Terms
02Summary
Search Atlas SEO versions 2.4.4 through 2.5.12 lack proper authorization checks, allowing authenticated users with low privileges to read sensitive data, modify site content, or disrupt service. An attacker needs a valid WordPress account but no special role. Site owners should update immediately to prevent unauthorized access to plugin functionality.
What an attacker can do
03Attacker Capabilities
Read sensitive data, modify content, or disrupt the site using a low-privilege WordPress account.
Potential impact on your site
04Site Impact
Any WordPress user can exploit this to access restricted plugin features, potentially compromising SEO settings and site data.
Conditions required to exploit
05Prerequisites
Attacker must have a valid WordPress user account with low privileges; no user interaction required.
Key dates
06Disclosure timeline
January 28, 2026
CVE published
January 28, 2026
Record updated