A vulnerability classified as critical has been found in zhenfeng13 My-Blog 1.0. Affected is the function uploadFileByEditomd of the file src/main/java/com/site/blog/my/core/controller/admin/BlogController.java. The manipulation of the argument editormd-image-file leads to unrestricted upload. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.