CVE-2026-16039 MStore API < 4.21.0 - Subscriber+ Order and Customer PII Disclosure via IDOR

The MStore API WordPress plugin before 4.21.0 does not restrict its vendor-orders endpoint to the caller's own orders, allowing any authenticated user, including Subscribers, to read every WooCommerce order in the store together with each customer's personal information...

CVE-2026-16039

The MStore API WordPress plugin before 4.21.0 does not restrict its vendor-orders endpoint to the caller's own orders, allowing any authenticated user, including Subscribers, to read every WooCommerce order in the store together with each customer's personal information...

EUVD-2026-54387

The MStore API WordPress plugin before 4.21.0 does not restrict its vendor-orders endpoint to the caller's own orders, allowing any authenticated user, including Subscribers, to read every WooCommerce order in the store together with each customer's personal information...

PT-2026-68868

Name of the Vulnerable Software and Affected Versions MStore API versions prior to 4.21.0 Description The MStore API WordPress plugin contains an Insecure Direct Object Reference IDOR flaw. This occurs because the '/vendor-orders' endpoint does not restrict access to the caller's own orders...

CVE-2026-16039: Authorization Bypass Through User-Controlled Key

The MStore API WordPress plugin before 4.21.0 does not restrict its vendor-orders endpoint to the caller's own orders, allowing any authenticated user, including Subscribers, to read every WooCommerce order in the store together with each customer's personal information...