High severity7.5NVD Advisory· Published Apr 8, 2026· Updated Apr 24, 2026
CVE-2026-3396
CVE-2026-3396
Description
WCAPF – WooCommerce Ajax Product Filter plugin is vulnerable to time-based SQL Injection via the 'post-author' parameter in all versions up to, and including, 4.2.3 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 into already existing queries that can be used to extract sensitive information from the database.
Affected products
1- Range: <=4.2.3
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
6- plugins.trac.wordpress.org/browser/wc-ajax-product-filter/trunk/includes/class-wcapf-product-filter.phpnvd
- plugins.trac.wordpress.org/browser/wc-ajax-product-filter/trunk/includes/class-wcapf-product-filter.phpnvd
- plugins.trac.wordpress.org/browser/wc-ajax-product-filter/trunk/includes/class-wcapf-product-filter.phpnvd
- plugins.trac.wordpress.org/browser/wc-ajax-product-filter/trunk/includes/class-wcapf-product-filter.phpnvd
- plugins.trac.wordpress.org/changeset/3484080/nvd
- www.wordfence.com/threat-intel/vulnerabilities/id/ee0a762e-9159-4dab-a7be-9cbe332effb1nvd
News mentions
1- Wordfence Intelligence Weekly WordPress Vulnerability Report (April 6, 2026 to April 12, 2026)Wordfence Blog · Apr 16, 2026