CVE-2025-49916 HIGH

CVE-2025-49916: WordPress MultiVendorX plugin <= 4.2.23 - Broken Access Control vulnerability

Vendor Multivendorx
Product MultiVendorX
Weakness CWE-862 · Missing authorization
Published October 22, 2025
Last update April 28, 2026

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in MultiVendorX MultiVendorX dc-woocommerce-multi-vendor allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects MultiVendorX: from n/a through <= 4.2.23.

Explanation of Vulnerability in Simple Terms

02Summary

MultiVendorX versions 4.2.23 and earlier lack proper authorization checks, allowing unauthenticated attackers to modify data and read sensitive information. The vulnerability requires no user interaction and can be exploited over the network. Site administrators should update to a version newer than 4.2.23 immediately.

What an attacker can do

03Attacker Capabilities

Read sensitive data and modify site content without logging in.

Potential impact on your site

04Site Impact

Unauthorized users can access and alter data, potentially compromising site integrity and confidentiality.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

October 22, 2025 CVE published
April 28, 2026 Record updated