The WordPress Simple Shopping Cart plugin for WordPress is vulnerable to product price manipulation in all versions up to, and including, 5.1.2. This is due to a logic flaw involving the inconsistent use of parameters during the cart addition process. The plugin uses the parameter 'product_tmp_two' for computing a security hash against price tampering while using 'wspsc_product' to display the product, allowing an unauthenticated attacker to substitute details from a cheaper product and bypass payment for a more expensive item.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Wordpress Simple Paypal Shopping Cart Plugin | — | Update wordpress-simple-paypal-shopping-cart plugin to version 5.1.3, or a newer patched version | May 15, 2025 | Apr 22, 2025 |
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