CVE-2026-74926 MultiVendorX WordPress Plugin - Broken Access Control

MultiVendorX WordPress plugin < 5.0.16 contains a broken access control vulnerability caused by lack of ownership verification in a REST API route, letting any authenticated user overwrite store details and ownership.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.34% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Data Tampering, Broken Access Control
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
Published
16 September 2026
Updated
15 October 2026
Weakness
CWE-862

Vendor fix

Update to version 5.0.16 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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