Executive brief
macrozheng mall is an open-source e-commerce platform that manages shopping carts and orders. A flaw in the cart quantity update function allows remote attackers to manipulate item quantities, leading to incorrect orders and financial impact through business logic errors.
Technical details
The vulnerability is a business logic error (CWE-840) in the OmsCartItemServiceImpl.updateQuantity method, exposed via the /cart/update/quantity endpoint. An attacker can remotely manipulate the quantity parameter to trigger unintended behavior, such as allowing negative quantities or bypassing validation checks. No authentication is required to exploit this flaw. The attack allows an attacker to disrupt normal cart operations and potentially cause inventory or order inconsistencies. A patch status is not confirmed in available sources.
Affected products
- macrozheng mall up to 1.0.3
Timeline
- 2026-08-25: disclosed
- other: Vendor deleted GitHub issue without explanation