Auth bypass in Multivendorx
CVE-2026-16746
The MultiVendorX WordPress plugin before 5.0.11 does not verify that the requested store belongs to the current user in one of its REST API endpoints, allowing any vendor-level user to read other vendors' commission and financial data.
Vulnerability class: IDOR (Insecure Direct Object Reference)
EPSS: 0.002 (12.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Unknown Multivendorx — versions 0
Weakness classification (CWE)
References
- contact@wpscan.com (technical-description, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2026-16746?
- CVE-2026-16746 is a low-severity vulnerability in Multivendorx, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 2.7/10. Published 2026-08-05.
- How severe is CVE-2026-16746?
- Low severity. CVSS v3 base score is 2.7 out of 10.