MStore API < 4.21.0 - Subscriber+ Order and Customer PII Disclosure via IDOR
Summary
| CVE | CVE-2026-16039 |
|---|---|
| State | PUBLISHED |
| Assigner | WPScan |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-07 06:16:56 UTC |
| Updated | 2026-08-07 06:16:56 UTC |
| Description | The MStore API WordPress plugin before 4.21.0 does not restrict its vendor-orders endpoint to the caller's own orders, allowing any authenticated user, including Subscribers, to read every WooCommerce order in the store together with each customer's personal information. |
Risk And Classification
Problem Types: CWE-639 Authorization Bypass Through User-Controlled Key
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Unknown | MStore API | affected 4.21.0 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| wpscan.com/vulnerability/85c6ff37-4761-420c-970f-05b2c50d3b28 | [email protected] | wpscan.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Sai Praneeth Koti (en)
CNA: WPScan (en)
There are currently no legacy QID mappings associated with this CVE.