What the vulnerability does
01Description
The Japanized for WooCommerce plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the `order` REST API endpoint in all versions up to, and including, 2.7.17. This makes it possible for unauthenticated attackers to mark any WooCommerce order as processed/completed.
Explanation of Vulnerability in Simple Terms
02Summary
Japanized for WooCommerce versions 2.7.17 and earlier lack proper authorization checks, allowing unauthenticated attackers to modify data on affected sites. The vulnerability requires no user interaction and can be exploited remotely over the network. Site administrators should update to a version newer than 2.7.17 as soon as a patch becomes available.
What an attacker can do
03Attacker Capabilities
Modify data on the site without authentication or permission.
Potential impact on your site
04Site Impact
Unauthorized changes to site data, potentially affecting product information, settings, or customer records.
Conditions required to exploit
05Prerequisites
Network access only; no authentication or user interaction required.
Key dates
06Disclosure timeline
January 9, 2026
CVE published
April 8, 2026
Record updated