yangzongzhuan RuoYi CommonController.java uploadFile unrestricted upload

A vulnerability was found in yangzongzhuan RuoYi up to 4.8.1 and classified as critical. This issue affects the function uploadFile of the file ruoyi-admin/src/main/java/com/ruoyi/web/controller/common/CommonController.java. The manipulation of the argument File leads to unrestricted upload. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.