CVE Alert: CVE-2025-3889
Vulnerability Summary: CVE-2025-3889
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.
Affected Endpoints:
No affected endpoints listed.
Published Date:
5/1/2025, 12:15:17 PM
⚠️ CVSS Score:
Exploit Status:
Not ExploitedEPS Score: 0.00029 | Ranking EPS: 0.0661
References:
- https://plugins.trac.wordpress.org/browser/wordpress-simple-paypal-shopping-cart/tags/5.1.2/wp_shopping_cart.php#L324
- https://plugins.trac.wordpress.org/changeset/3284572/
- https://www.tipsandtricks-hq.com/ecommerce/simple-shopping-cart-enabling-manual-offline-checkout
- https://www.tipsandtricks-hq.com/ecommerce/wp-shopping-cart
- https://www.wordfence.com/threat-intel/vulnerabilities/id/41212533-535e-4a9e-a9b8-1240021a3752?source=cve
Recommended Action:
No proposed action available. Please refer to vendor documentation for updates.
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