CVE-2026-16605

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

Published Aug 5, 2026 CVSS 3.1 · 7.2 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-862
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Multivendorx
Multivendorx multivendorx
Wordpress
Wordpress wordpress
Vendors & Products Multivendorx
Multivendorx multivendorx
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Weaknesses CWE-284
Type Values Removed Values Added
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.
Title MultiVendorX < 5.0.11 - Store Owner+ Cross-Vendor Store Takeover and Deletion via Missing Authorization
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Aug 5, 2026, 7:41 PM
Reserved
Jul 22, 2026, 2:25 PM
Status
Deferred
Published
Aug 5, 2026, 7:16 AM
Modified
Aug 26, 2026, 4:31 PM