CVE-2026-11396

The Product Filter for WooCommerce by WBW plugin for WordPress is vulnerable to Missing Authorization / Information Disclosure in all versions up to, and including, 3.4.6 via the 'filterSettings[default_query]' parameter of the 'filtersFrontend' AJAX action. The handler is registered as 'wp_ajax_nopriv_filtersFrontend' and performs no capability or nonce check; raw POST data is JSON-decoded into $filterSettings and the attacker-controlled 'default_query' array is unconditionally array_merge()'d into the WP_Query arguments, overriding the plugin's safe defaults (most notably post_status, post_type, posts_per_page, and nopaging). This makes it possible for unauthenticated attackers to enumerate non-public WooCommerce products (draft, future, pending) — including their count and rendered listing markup — and to force unbounded queries that load all products in a single request.

• CWE-862

• https://plugins.trac.wordpress.org/browser/woo-product-filter/trunk/modules/woofilters/controller.php#L864
• https://plugins.trac.wordpress.org/changeset?reponame=&old=3757178%40woo-product-filter&new=3757178%40woo-product-filter
• https://www.wordfence.com/threat-intel/vulnerabilities/id/f2b51837-5925-497f-bdb8-c32f9011830b?source=cve

Published

Oct 31, 2026

Last Modified

Oct 31, 2026

Status

Received

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