A vulnerability was identified in cym1102 nginxWebUI up to 4.3.7. The impacted element is an unknown function of the file /adminPage/conf/check of the component Web Management Interface. Such manipulation of the argument nginxDir leads to cross site scripting. The attack can be executed remotely. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.