CVE-2026-11396 Details
Description
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.
A vulnerability exists in the Product Filter for WooCommerce by WBW plugin for WordPress, in all versions through 3.4.6. The issue involves missing authorization and information disclosure via the 'filterSettings[default_query]' parameter of the 'filtersFrontend' AJAX action. The vulnerability arises because the action is registered as 'wp_ajax_nopriv_filtersFrontend', allowing unauthenticated access without any capability or nonce checks. This oversight enables attackers to manipulate the 'default_query' array, which is merged into the WP_Query arguments, bypassing the plugin's default safeguards. As a result, unauthenticated attackers can enumerate non-public WooCommerce products (such as drafts and pending items), including their counts and displayed markup, and execute unrestricted queries that load all products in a single request.
Users are advised to update the plugin to version 3.4.7 or a newer patched version.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 31, 2026CISA-ADP
Assessed Nov 6, 2026References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-862 | Missing Authorization | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| WBW Product Filter for WooCommerce | <= 3.4.6 (semver) |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Nov 6, 2026 | CVE Modified | CISA-ADP |
| Oct 31, 2026 | New CVE Received | [email protected] |