---
id: CVE-2026-66651
title: >-
  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.
summary: >-
  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.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'
cwe:
  - CWE-862
vendor: MultiVendorX
product: dc-woocommerce-multi-vendor
affected:
  - dc-woocommerce-multi-vendor <= 5.0.18
published: '2026-08-18'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T08:16:33.380'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-66651'
references:
  - url: >-
      https://patchstack.com/database/wordpress/plugin/dc-woocommerce-multi-vendor/vulnerability/wordpress-multivendorx-plugin-5-0-14-broken-access-control-vulnerability?_s_id=cve
    label: audit@patchstack.com
tags:
  - nvd
  - cve.org
epss: 0.00266
epssPercentile: 0.16656
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-08-18T15:01:04.649798Z'
ingestedAt: '2026-09-30T07:59:43.039Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.