What the vulnerability does
01Description
The Product Filtering by Categories, Tags, Price Range for WooCommerce – Filter Plus plugin for WordPress is vulnerable to unauthorized modification of data in all versions up to, and including, 1.1.6 due to a missing capability check on the 'filter_save_settings' and 'add_filter_options' AJAX actions. This makes it possible for unauthenticated attackers to modify the plugin's settings and create arbitrary filter options.
Explanation of Vulnerability in Simple Terms
02Summary
Filter Plus versions 1.1.6 and earlier lack proper authorization checks on certain administrative functions. An attacker without authentication can modify plugin settings or data, potentially altering how product filters display or function on the site. Update to a version newer than 1.1.6 to resolve this issue.
What an attacker can do
03Attacker Capabilities
Modify plugin settings or filter data without logging in.
Potential impact on your site
04Site Impact
Attackers can alter product filter behavior, potentially disrupting customer experience or injecting malicious filter configurations.
Conditions required to exploit
05Prerequisites
Network access to the WordPress site; no authentication required.
Key dates
06Disclosure timeline
December 12, 2025
CVE published
April 8, 2026
Record updated