CVE-2026-16605

MultiVendorX < 5.0.11 - Store Owner+ Cross-Vendor Store Takeover and Deletion via Missing Authorization

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

MultiVendorX

CVSS v3.1 CNA

7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS

0.46% chance of exploitation in the next 30 days, 39th percentile

Published

2026-08-05

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/e31c9bf0-7340-4bd7-ad6e-6ad01737654a/

References

• CVE Record
• NVD entry