Authorization Bypass in MultiVendorX WordPress Plugin by Vendor
CVE-2026-16746

2.7LOW

Key Information:

Vendor

WordPress
Status
Multivendorx
Vendor
CVE Published:
5 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-16746?

The MultiVendorX WordPress plugin, prior to version 5.0.11, contains a vulnerability in its REST API that fails to ensure proper ownership checks. This allows vendor-level users to access and disclose sensitive commission and financial data associated with other vendors, compromising user data integrity and security.

Affected Version(s)

MultiVendorX 0 < 5.0.11

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-16746 - Proof of Concept

References

https://wpscan.com/vulnerability/721033a0-b0bb-4a64-a99a-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
2.7
Severity:
LOW
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

ryan fabella
WPScan
.