CVE-2026-16039
MStore API < 4.21.0 - Subscriber+ Order and Customer PII Disclosure via IDOR
- State
- Published
- Severity
- 6.5 Medium
- Published
- Aug 7, 2026
- Updated
- Aug 7, 2026
- Reserved
- Jul 17, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N | CISA-ADP |
Weaknesses
- CWE-639 Authorization Bypass Through User-Controlled Key
Affected Products
| Product | Versions |
|---|---|
MStore APIUnknown |
|
References
- https://wpscan.com/vulnerability/85c6ff37-4761-420c-970f-05b2c50d3b28/exploitvdb-entrytechnical-description
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