μTorrent (uTorrent) Classic/Web - JSON-RPC Remote Code Execution / Information Disclosure

By default, utorrent create an HTTP RPC server on port 10000 uTorrent classic or 19575 uTorrent web. There are numerous problems with these RPC servers that can be exploited by any website using XMLHTTPRequest. To be clear, visiting any website is enough to compromise these applications. uTorrent...