A vulnerability, which was classified as critical, was found in taisan tarzan-cms 1.0.0. This affects the function UploadResponse of the file src/main/java/com/tarzan/cms/modules/admin/controller/common/UploadController.java of the component Article Management. The manipulation of the argument file leads to unrestricted upload. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.