Double Submit Cookie for CSRF This web app is implemented in PHP and uses Apache2 server to deploy. Hence for you to deploy this app,
- Install Apache2 Web Server (Wamp/Xampp in windows, Lamp in Linux)
- Copy the web app to the apache web root folder
- Access the web app in the broswer (ex: localhost/csrf-double-submit)
That's it!
Refer this to understand how Double Submit Cookie works and refer this to understand what CSRF attack is.