MStore API < 4.21.1 - Subscriber+ Arbitrary Order Payment Bypass via Wallet
Summary
| CVE | CVE-2026-18234 |
|---|---|
| State | PUBLISHED |
| Assigner | WPScan |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-29 06:17:20 UTC |
| Updated | 2026-08-29 06:17:20 UTC |
| Description | The MStore API WordPress plugin before 4.21.1 does not verify that the order targeted by its wallet payment handling belongs to the requester, and does not deduct the wallet balance for most payment methods, allowing any authenticated user, including Subscribers, to mark arbitrary orders as paid without any payment being taken. |
Risk And Classification
Problem Types: CWE-862 Missing Authorization
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Unknown | MStore API | affected 4.21.1 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| wpscan.com/vulnerability/1dc31c4e-9687-4056-a93e-9509c5a88828 | [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: Erwan LR (WPScan) (en)
CNA: WPScan (en)
There are currently no legacy QID mappings associated with this CVE.