An arbitrary File upload vulnerability exists in Novel-Plus v4.3.0-RC1 and prior versions at com.java2nb.system.controller.SysUserController: uploadImg(). An attacker can pass in specially crafted filename parameter to perform arbitrary File download.
https://github.com/cxcxcxcxcxcxcxc/cxcxcxcxcxcxcxc/blob/main/cxcxcxcxcxc/about-2024/24026.txt