CVE-2026-66441 - Vulnerability Details - OpenCVE

Unauthenticated Broken Access Control in MultiVendorX <= 5.0.10 versions.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact partial

Vendors	Products
Multivendorx	Multivendorx
Wordpress	Wordpress

No data.

No data.

References

Link	Providers
https://patchstack.com/database/wordpress/plugin/dc-woocommerce-multi-vendor/vulnerability/wordpress-multivendorx-plugin-5-0-10-broken-access-control-vulnerability?_s_id=cve

History

Thu, 13 Aug 2026 16:30:00 +0000

Type	Values Removed	Values Added
First Time appeared		Multivendorx Multivendorx multivendorx Wordpress Wordpress wordpress
Vendors & Products		Multivendorx Multivendorx multivendorx Wordpress Wordpress wordpress
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Thu, 13 Aug 2026 14:00:00 +0000

Type	Values Removed	Values Added
Description		Unauthenticated Broken Access Control in MultiVendorX <= 5.0.10 versions.
Title		WordPress MultiVendorX plugin <= 5.0.10 - Broken Access Control vulnerability
Weaknesses		CWE-862
References		https://patchstack.com/database/wordpress/plugin/dc-woocommerce-multi-vendor/vulnerability/wordpress-multivendorx-plugin-5-0-10-broken-access-control-vulnerability?_s_id=cve
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}`

MITRE

Status: PUBLISHED

Assigner: Patchstack

Published: 2026-08-13T13:36:53.716Z

Updated: 2026-08-13T15:47:56.330Z

Reserved: 2026-07-27T09:00:18.436Z

Link: CVE-2026-66441

Vulnrichment

Updated: 2026-08-13T14:30:08.332Z

NVD

Status : Deferred

Published: 2026-08-13T14:17:05.503

Modified: 2026-08-14T19:09:20.713

Link: CVE-2026-66441

Redhat

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-66441", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "state": "PUBLISHED", "assignerShortName": "Patchstack", "dateReserved": "2026-07-27T09:00:18.436Z", "datePublished": "2026-08-13T13:36:53.716Z", "dateUpdated": "2026-08-13T15:47:56.330Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-08-13T13:36:53.716Z"}, "title": "WordPress MultiVendorX plugin <= 5.0.10 - Broken Access Control vulnerability", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-862", "description": "CWE-862 Missing Authorization", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-180", "descriptions": [{"lang": "en", "value": "CAPEC-180 Exploiting Incorrectly Configured Access Control Security Levels"}]}], "affected": [{"vendor": "MultiVendorX", "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected", "packageName": "dc-woocommerce-multi-vendor", "product": "MultiVendorX", "versions": [{"lessThanOrEqual": "5.0.10", "status": "affected", "version": "n/a", "versionType": "custom", "changes": [{"at": "5.0.11", "status": "unaffected"}]}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Unauthenticated Broken Access Control in MultiVendorX <= 5.0.10 versions."}], "value": "Unauthenticated Broken Access Control in MultiVendorX <= 5.0.10 versions."}], "references": [{"tags": ["vdb-entry"], "url": "https://patchstack.com/database/wordpress/plugin/dc-woocommerce-multi-vendor/vulnerability/wordpress-multivendorx-plugin-5-0-10-broken-access-control-vulnerability?_s_id=cve"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE", "version": "3.1", "baseSeverity": "HIGH", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Update the WordPress MultiVendorX Plugin to the latest available version (at least 5.0.11)."}], "value": "Update the WordPress MultiVendorX Plugin to the latest available version (at least 5.0.11)."}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Uma Mo | Patchstack Bug Bounty Program"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-13T14:30:06.951899Z", "id": "CVE-2026-66441", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-13T15:47:56.330Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-66441", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-13T14:30:06.951899Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-13T14:30:08.332Z"}}], "cna": {"title": "WordPress MultiVendorX plugin <= 5.0.10 - Broken Access Control vulnerability", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Uma Mo | Patchstack Bug Bounty Program"}], "impacts": [{"capecId": "CAPEC-180", "descriptions": [{"lang": "en", "value": "CAPEC-180 Exploiting Incorrectly Configured Access Control Security Levels"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "MultiVendorX", "product": "MultiVendorX", "versions": [{"status": "affected", "changes": [{"at": "5.0.11", "status": "unaffected"}], "version": "n/a", "versionType": "custom", "lessThanOrEqual": "5.0.10"}], "packageName": "dc-woocommerce-multi-vendor", "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Update the WordPress MultiVendorX Plugin to the latest available version (at least 5.0.11).", "supportingMedia": [{"type": "text/html", "value": "Update the WordPress MultiVendorX Plugin to the latest available version (at least 5.0.11).", "base64": false}]}], "references": [{"url": "https://patchstack.com/database/wordpress/plugin/dc-woocommerce-multi-vendor/vulnerability/wordpress-multivendorx-plugin-5-0-10-broken-access-control-vulnerability?_s_id=cve", "tags": ["vdb-entry"]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "Unauthenticated Broken Access Control in MultiVendorX <= 5.0.10 versions.", "supportingMedia": [{"type": "text/html", "value": "Unauthenticated Broken Access Control in MultiVendorX <= 5.0.10 versions.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-862", "description": "CWE-862 Missing Authorization"}]}], "providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-08-13T13:36:53.716Z"}}}, "cveMetadata": {"cveId": "CVE-2026-66441", "state": "PUBLISHED", "dateUpdated": "2026-08-13T15:47:56.330Z", "dateReserved": "2026-07-27T09:00:18.436Z", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "datePublished": "2026-08-13T13:36:53.716Z", "assignerShortName": "Patchstack"}, "dataVersion": "5.2"}