Relevanssi <= 4.24.4 (Free) and <= 2.27.5 (Premium) - Unauthenticated SQL Injection

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CVE CVE-2025-4396
CVSS High (7.5)
Publicly Published May 12, 2025
Last Updated May 16, 2025
Researcher Jack Taylor
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 <= 2.27.5 (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.

References

2 affected software package

Software Type Plugin
Software Slug relevanssi-premium (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 2.27.5
Patched Version
  • 2.27.6
Software Type Plugin
Software Slug relevanssi (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 4.24.4
Patched Version
  • 4.24.5
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