Description
The WordPress Simple Shopping Cart plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.1.3 via the 'process_payment_data' due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to change the quantity of a product to a negative number, which subtracts the product cost from the total order cost. The attack will only work with Manual Checkout mode, as PayPal and Stripe will not process payments for a negative quantity.
Details
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| wordpress-simple-paypal-shopping-cart | โ | 5.1.4 |
Similar Threats
- Medium CVE-2025-3874
- Medium CVE-2025-3890
- Medium CVE-2023-6497
- Medium CVE-2023-1431
- Medium CVE-2022-4672
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