A weakness has been identified in aircheng-org iWebShop-5 up to 5.16. The impacted element is the function IController::redirect of the file plugins/_userInfo/_userInfo.php of the component Login Redirect. This manipulation of the argument callback causes open redirect. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.