Relevanssi – A Better Search, CVE-2025-4396

CVE, Research URL: CVE-2025-4396
Home page URL: Security reports for Relevanssi – A Better Search
Application: Relevanssi – A Better Search
Published on: May 13, 2025
Research Description: The Relevanssi – A Better Search plugin for WordPress is vulnerable to time-based SQL Injection via the cats and tags query parameters in all versions up to, and including, 4.24.4 (Free) and <= 2.27.4 (Premium) due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries to already existing queries that can be used to extract sensitive information from the database.
Affected versions: Min -, max 4.24.5.
Status: vulnerable

Relevanssi &#8211; A Better Search, CVE-2025-4396