WordPress MultiVendorX plugin <= 4.0.23 - Broken Access Control vulnerability
Priority HIGH 75CWE-862Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
Missing Authorization vulnerability in MultiVendorX MultiVendorX dc-woocommerce-multi-vendor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects MultiVendorX: from n/a through <= 4.0.23.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00525 44th 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
- Poc
- 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 4.0.23 | — | No fix listed | CNA |
- MultiVendorX VendorMultiVendorX Affected up to 4.0.23 Fixed in — No fix listed CNA
CPE names CISA-ADP · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:multivendorx:wc_marketplace:*:*:*:*:*:*:*:* | — | — | MultiVendorX |
- cpe:2.3:a:multivendorx:wc_marketplace:*:*:*:*:*:*:*:* Versions — — ·MultiVendorX
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-51355
- 2026-10-03 Alias added: GHSA-m9x6-hmmv-9j9x
More MultiVendorX vulnerabilities
- 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
- TI-2026-47195 WordPress MultiVendorX plugin <= 5.0.10 - Broken Access Control vulnerability CVSS 3.1HIGH 7.5
Sources
- CVE-2023-51355 · CVE Program
- CVE-2023-51355 · NVD
- FIRST EPSS
- GHSA-m9x6-hmmv-9j9x · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences