WordPress MultiVendorX plugin <= 5.0.10 - Broken Access Control vulnerability

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-66441
StatePUBLISHED
AssignerPatchstack
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-13 14:17:05 UTC
Updated2026-08-13 16:18:43 UTC
DescriptionUnauthenticated Broken Access Control in MultiVendorX <= 5.0.10 versions.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Problem Types: CWE-862 | CWE-862 CWE-862 Missing Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1CNACVSS7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA MultiVendorX MultiVendorX affected n/a 5.0.10 custom Not specified

References

ReferenceSourceLinkTags
patchstack.com/database/wordpress/plugin/dc-woocommerce-multi-vendor/vulnera... [email protected] patchstack.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Uma Mo | Patchstack Bug Bounty Program (en)

Additional Advisory Data

Solutions

CNA: Update the WordPress MultiVendorX Plugin to the latest available version (at least 5.0.11).

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