CVE-2026-66651

WordPress MultiVendorX plugin <= 5.0.20 - Broken Access Control vulnerability

Published Aug 18, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
Missing Authorization vulnerability in MultiVendorX MultiVendorX dc-woocommerce-multi-vendor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects MultiVendorX: from n/a through 5.0.20.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Description Missing Authorization vulnerability in MultiVendorX MultiVendorX dc-woocommerce-multi-vendor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects MultiVendorX: from n/a through 5.0.19. Missing Authorization vulnerability in MultiVendorX MultiVendorX dc-woocommerce-multi-vendor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects MultiVendorX: from n/a through 5.0.20.
Title WordPress MultiVendorX plugin <= 5.0.19 - Broken Access Control vulnerability WordPress MultiVendorX plugin <= 5.0.20 - Broken Access Control vulnerability
Type Values Removed Values Added
Description Missing Authorization vulnerability in MultiVendorX MultiVendorX dc-woocommerce-multi-vendor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects MultiVendorX: from n/a through 5.0.18. Missing Authorization vulnerability in MultiVendorX MultiVendorX dc-woocommerce-multi-vendor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects MultiVendorX: from n/a through 5.0.19.
Title WordPress MultiVendorX plugin <= 5.0.18 - Broken Access Control vulnerability WordPress MultiVendorX plugin <= 5.0.19 - Broken Access Control vulnerability
Type Values Removed Values Added
Description Unauthenticated Broken Access Control in MultiVendorX <= 5.0.14 versions. Missing Authorization vulnerability in MultiVendorX MultiVendorX dc-woocommerce-multi-vendor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects MultiVendorX: from n/a through 5.0.18.
Title WordPress MultiVendorX plugin <= 5.0.14 - Broken Access Control vulnerability WordPress MultiVendorX plugin <= 5.0.18 - Broken Access Control vulnerability
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
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Unauthenticated Broken Access Control in MultiVendorX <= 5.0.14 versions.
Title WordPress MultiVendorX plugin <= 5.0.14 - Broken Access Control vulnerability
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Oct 13, 2026, 6:13 AM
Reserved
Jul 27, 2026, 2:00 PM
Status
Deferred
Published
Aug 18, 2026, 3:16 PM
Modified
Oct 13, 2026, 7:16 AM