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CVE-2026-3396 PoC — WCAPF – WooCommerce Ajax Product Filter <= 4.2.3 - Unauthenticated Time-Based SQL Injection

Source
https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-3396.yaml
Associated Vulnerability
Title: WCAPF – WooCommerce Ajax Product Filter <= 4.2.3 - Unauthenticated Time-Based SQL Injection (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.
Description
WCAPF WooCommerce Ajax Product Filter <= 4.2.3 contains a time-based SQL injection caused by insufficient escaping of the 'post-author' parameter, letting unauthenticated attackers extract sensitive database information remotely.
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