CVE-2026-66651 PUBLISHED

WordPress MultiVendorX plugin <= 5.0.14 - Broken Access Control vulnerability

Assigner: Patchstack
Reserved: 27.07.2026 Published: 18.08.2026 Updated: 18.08.2026

Unauthenticated Broken Access Control in MultiVendorX <= 5.0.14 versions.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS Score: 6.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	None	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	MultiVendorX
Product	MultiVendorX
Versions	Default: unaffected affected from n/a to 5.0.14 (incl.)

Credits

Jakub Herman | Patchstack Bug Bounty Program finder

References

https://patchstack.com/database/wordpress/plugin/dc-woocommerce-multi-vendor/vulnerability/wordpress-multivendorx-plugin-5-0-14-broken-access-control-vulnerability?_s_id=cve

Problem Types

CWE-862 Missing Authorization CWE

Impacts

CAPEC-180 Exploiting Incorrectly Configured Access Control Security Levels