CVE-2026-6176

The Customer Reviews for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the aggregated review form submission in versions up to and including 5.106.0. This is due to insufficient input sanitization and output escaping on user-supplied review comment text. The plugin accepts review submissions from unauthenticated users through the 'cr_local_forms_submit' AJAX action without sanitizing HTML content before storing it via wp_insert_comment(), and later renders this stored content on product pages through comment_text() without proper escaping. This makes it possible for unauthenticated attackers with a valid review form URL (obtainable through review reminder emails sent to customers who placed orders) to inject arbitrary web scripts in pages that will execute whenever a user accesses the affected product page.

• CWE-79

• https://plugins.trac.wordpress.org/browser/customer-reviews-woocommerce/tags/5.105.0/includes/reminders/class-cr-local-forms-ajax.php#L50
• https://plugins.trac.wordpress.org/browser/customer-reviews-woocommerce/tags/5.105.0/includes/reviews/class-cr-endpoint.php#L445
• https://plugins.trac.wordpress.org/browser/customer-reviews-woocommerce/trunk/includes/reminders/class-cr-local-forms-ajax.php#L50
• https://plugins.trac.wordpress.org/browser/customer-reviews-woocommerce/trunk/includes/reviews/class-cr-endpoint.php#L445
• https://plugins.trac.wordpress.org/changeset/3510305/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/d784afb0-03ca-48f8-ac21-230601c028a1?source=cve

Published

Aug 28, 2026

Last Modified

Aug 28, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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