What the vulnerability does
01Description
The Order Splitter for WooCommerce plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the 'wos_troubleshooting' AJAX endpoint in all versions up to, and including, 5.3.5. This makes it possible for authenticated attackers, with Subscriber-level access and above, to view information pertaining to other user's orders.
Explanation of Vulnerability in Simple Terms
02Summary
The Order Splitter for WooCommerce plugin through version 5.3.5 fails to properly check user permissions before allowing access to sensitive functions. A logged-in user with low privileges can read data they should not have access to. Update to a version newer than 5.3.5.
What an attacker can do
03Attacker Capabilities
Read sensitive order or configuration data without proper authorization.
Potential impact on your site
04Site Impact
Customer or subscriber accounts can access confidential order information or plugin settings.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege WooCommerce account (e.g., customer or subscriber).
Key dates
06Disclosure timeline
February 18, 2026
CVE published
April 8, 2026
Record updated