Vulnerability · Published Aug 5, 2026 · Assigned by WPScan
CVE-2026-16605MultiVendorX < 5.0.11 - Store Owner+ Cross-Vendor Store Takeover and Deletion via Missing Authorization
High 7.2
In plain English
A high-severity missing authorization in MultiVendorX from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).
Severity (CVSS 3.1)7.2High
Exploit odds (30 days)0.5%top 59.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | MultiVendorX | 0 – before 5.0.11 |
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
References
- https://wpscan.com/vulnerability/e31c9bf0-7340-4bd7-ad6e-6ad01737654a/ exploit, vdb-entry, technical-description