MultiVendorX 5.0.0 - 5.0.15 - Subscriber+ Arbitrary Store Data and Ownership Overwrite via stores REST Endpoint
Priority LOW 31CWE-862Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-862.
Summary
The MultiVendorX WordPress plugin before 5.0.16 does not verify that a user owns the store they are acting on in one of its REST API routes, allowing any authenticated user, such as a subscriber, to overwrite any store's details and payout settings and to replace the record of who owns it.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00338 27th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed MultiVendorX (Unknown): 5.0.16
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- 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 |
|---|---|---|---|---|---|
| Unknown | MultiVendorX | 5.0.0 to before 5.0.16 | 5.0.16 | Patch available | CNA |
- MultiVendorX VendorUnknown Affected 5.0.0 to before 5.0.16 Fixed in 5.0.16 Patch available CNA
Remediation
- Fix · CNA MultiVendorX (Unknown) Fixed in 5.0.16
Timeline
- 2026-10-02 Threatist record created from CVE-2026-74926
- 2026-10-03 Alias added: GHSA-r99r-q28p-h387
References
Sources
- CVE-2026-74926 · CVE Program
- CVE-2026-74926 · NVD
- FIRST EPSS
- GHSA-r99r-q28p-h387 · 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