CVE-2026-74926 MultiVendorX 5.0.0 - 5.0.15 - Subscriber+ Arbitrary Store Data and Ownership Overwrite via stores REST Endpoint

The MultiVendorX WordPress plugin before 5.0.16 does not verify that a user owns the store they are acting on in one of its REST API routes, allowing any authenticated user, such as a subscriber, to overwrite any store's details and payout settings and to replace the record of who owns it...

CVE-2026-74926

The MultiVendorX WordPress plugin (versions 5.0.0-5.0.15 ) is vulnerable to an authorization flaw because it fails to verify if a user owns the store they are attempting to modify via a REST API route . This allows any authenticated user, including those with subscriber privileges, to overwrite s...

CVE-2026-16746

The MultiVendorX WordPress plugin before 5.0.11 does not verify that the requested store belongs to the current user in one of its REST API endpoints, allowing any vendor-level user to read other vendors' commission and financial data...

CVE-2026-16746 MultiVendorX < 5.0.11 - Store Owner+ Cross-Store Commission Data Disclosure via commissions REST Endpoint

The MultiVendorX WordPress plugin before 5.0.11 does not verify that the requested store belongs to the current user in one of its REST API endpoints, allowing any vendor-level user to read other vendors' commission and financial data...

EUVD-2026-53106

The MultiVendorX WordPress plugin before 5.0.11 does not verify that the store targeted through its REST API belongs to the requesting vendor, allowing an authenticated vendor Store Owner and above to view, take over, permanently delete, or modify any other vendor's store on the marketplace...

CVE-2026-16605

The MultiVendorX WordPress plugin (versions before 5.0.11 ) contains a missing authorization vulnerability in its REST API . The plugin fails to verify that the targeted store belongs to the requesting vendor. This allows an authenticated vendor with Store Owner privileges or higher to view, modi...