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CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2026-16039

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

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Unknown MStore API

Default version status: unaffected

  • 0 to < 4.21.0affected

References