What is CRLF Injection?

What is CRLF Injection?

What is CRLF? When a browser sends a request to a web server, the web server answers back with a response containing both the HTTP headers and the actual website content. The HTTP headers and the HTML response (the website content) are separated by a specific combination of special characters, namely a carriage return and a line feed. They are also known as CRLF. The server knows when a new header begins and another one ends with CRLF, which can also tell a web application or user that a new…

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