CVE-2026-82215
WC PayPay Gateway 0.5 - 0.9.3 - Unauthenticated Payment Bypass via Unverified Webhook
- State
- Published
- Severity
- 5.9 Medium
- Published
- Sep 11, 2026
- Updated
- Sep 11, 2026
- Reserved
- Aug 28, 2026
Description
The Payment Gateway PayPay for WooCommerce WordPress plugin from 0.5 to 0.9.3 does not verify the authenticity of the payment notifications it receives before acting on them, allowing unauthenticated attackers who know the store's merchant identifier to mark arbitrary orders as paid, or to cancel or fail them.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.9 Medium | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N | WPScan |
Weaknesses
- CWE-345 Insufficient Verification of Data Authenticity
Affected Products
| Product | Versions |
|---|---|
Payment Gateway PayPay for WooCommerceUnknown |
|
References
- https://wpscan.com/vulnerability/c7703a51-9d5d-4483-b214-7249701ee9ff/exploitvdb-entrytechnical-description
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