A vulnerability has been found in feelec-yishu feelcrm-os 1.0.0. Affected by this vulnerability is the function IndexController::index of the file App/ThinkPHP/Common/functions.php of the component Crm Endpoint. Such manipulation of the argument redirect_url leads to cross site scripting. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.