CVE-2026-74926: Unknown Multivendorx

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Unknown Multivendorx: from 5.0.0, before 5.0.16 (fixed in 5.0.16)

Published 2026-09-16. Last modified 2026-09-17.