Auth bypass in Multivendorx

CVE-2026-16605

The MultiVendorX WordPress plugin before 5.0.11 does not verify that the store targeted through its REST API belongs to the requesting vendor, allowing an authenticated vendor (Store Owner and above) to view, take over, permanently delete…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Unknown Multivendorx — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-16605?
CVE-2026-16605 is a high-severity vulnerability in Multivendorx, classified under Missing Authorization. CVSS score: 7.2/10. Published 2026-08-05.
How severe is CVE-2026-16605?
High severity. CVSS v3 base score is 7.2 out of 10.