Multiple SQL injection vulnerabilities in index.php in PhpShop 0.8.1 allow remote attackers to execute arbitrary SQL commands via the (1) module_id parameter in an admin/function_list action, the (2) vendor_id parameter in a vendor/vendor_form action, the (3) module_id parameter in an admin/module_form action, the (4) user_id parameter in an admin/user_form action, the (5) vendor_category_id parameter in a vendor/vendor_category_form action, the (6) user_id parameter in a store/user_form action, the (7) payment_method_id parameter in a store/payment_method_form action, the (8) tax_rate_id parameter in a tax/tax_form action, or the (9) category parameter in a shop/browse action.  NOTE: the product_id vector is already covered by CVE-2008-0681.