Vulnerability · Published Aug 18, 2026 · Assigned by Patchstack
CVE-2026-66651WordPress MultiVendorX plugin <= 5.0.20 - Broken Access Control vulnerability
Medium 6.5
In plain English
A medium-severity missing authorization in MultiVendorX from MultiVendorX. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 81.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| MultiVendorX | MultiVendorX | 0 – through 5.0.20 |
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N