CVE-2026-66441— WordPress MultiVendorX plugin <= 5.0.10 - Broken Access Control vulnerability
Quick assessment
Affected
MultiVendorX MultiVendorX
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
WordPress MultiVendorX是WordPress基金会的一款电商多供应商组件。 WordPress MultiVendorX 5.0.10及之前版本存在授权问题漏洞，该漏洞源于访问控制不当，可能导致未经身份验证的攻击者绕过访问控制。
Possible ATT&CK Techniques 1 AI
T1078 · Valid AccountsAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| MultiVendorX | MultiVendorX | n/a≤ 5.0.10 |
affected |
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I. Basic Information for CVE-2026-66441
Vulnerability Information
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Vulnerability Title
WordPress MultiVendorX plugin <= 5.0.10 - Broken Access Control vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated Broken Access Control in MultiVendorX <= 5.0.10 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress MultiVendorX 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress MultiVendorX是WordPress基金会的一款电商多供应商组件。 WordPress MultiVendorX 5.0.10及之前版本存在授权问题漏洞，该漏洞源于访问控制不当，可能导致未经身份验证的攻击者绕过访问控制。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| MultiVendorX | MultiVendorX | n/a ~ 5.0.10 | - |
|
II. Public POCs for CVE-2026-66441
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-66441 (1)
IV. Related Vulnerabilities
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MultiVendorX 5.0.13 - 5.0.14 - Unauthenticated Vendor PII an -
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Same weakness: CWE-862
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V. Comments for CVE-2026-66441
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