WordPress MultiVendorX plugin <= 5.0.10 - Broken Access Control vulnerability
Priority LOW 39CWE-862Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
Unauthenticated Broken Access Control in MultiVendorX <= 5.0.10 versions.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00394 33rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| MultiVendorX | MultiVendorX | up to 5.0.10 | — | No fix listed | CNA |
- MultiVendorX VendorMultiVendorX Affected up to 5.0.10 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-66441
- 2026-10-03 Alias added: GHSA-pmm9-qmcr-8vpp
More MultiVendorX vulnerabilities
- TI-2023-28013 WordPress MultiVendorX plugin <= 4.0.23 - Broken Access Control vulnerability CVSS 3.1HIGH 8.2
- TI-2026-70675 MultiVendorX Incorrect Authorization via Settings REST Endpoint CVSS 4.0HIGH 7.1
- TI-2025-00410 Path traversal in MultiVendorX – WooCommerce Multivendor Marketplace Solutions CVSS 3.1CRITICAL 9.8
- TI-2024-07685 Missing authorization in MultiVendorX – WooCommerce Multivendor Marketplace Solutions CVSS 3.1CRITICAL 9.8
- TI-2025-31831 WordPress MultiVendorX plugin <= 4.2.23 - Broken Access Control vulnerability CVSS 3.1HIGH 8.6
- TI-2024-16234 WordPress MultiVendorX plugin <= 4.0.25 - Broken Access Control vulnerability CVSS 3.1HIGH 8.6
Sources
- CVE-2026-66441 · CVE Program
- CVE-2026-66441 · NVD
- FIRST EPSS
- GHSA-pmm9-qmcr-8vpp · GitHub Advisory Database · CC BY 4.0
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