Making statements based on opinion; back them up with references or personal experience. This is also known as Same-origin policy of the web browsers. This dynamic script element injection is usually done by a JavaScript helper library. I just can't get it to work. [7], Unsanitized callback names may be used to pass malicious data to clients, bypassing the restrictions associated with application/json content type, as demonstrated in reflected file download (RFD) attack from 2014. add a comment | Including script tags from remote servers allows the remote servers to inject any content into a website. For each new JSONP request, the browser must add a new