Unrestricted Upload of File with Dangerous Type
A file upload vulnerability in application/shop/controller/member.php in Niushop B2B2C Multi-business basic version V1.11 allows any remote member to upload a .php file to the web server via a profile avatar field, by using an image Content-Type (e.g., image/jpeg) with a modified filename and file content. This results in arbitrary code execution by requesting that .php file.
CWE-434 - Unrestricted Upload of File with dangerous type
'Unrestricted file upload with dangerous type' attacks involve an attacker uploading or transferring files of dangerous types to the server. The severity of such an attack depends upon the execution mechanism and the storage location of the uploaded file. Thus, it may range from simple defacement to arbitrary file execution, and complete system takeover.