CSRF for beginners

CSRF

CSRF or Cross Site Request Forgery is one of the dangerous vulnerability in webapps. In CSRF a victim is forced to execute some HTTP request in order to do some actions. The only need is that victim must be logged in at that time & a little bit Social Engineering. It is very easy to exploit a csrf vulnerability & can have a very critical impact. It is commonly executed using image tag or an iframe.

Demo of CSRF

Using an Image tag & Using an IFrame

As you can see above when these piece of code’s are embedded in a webpage & John is forced to open that page, it will transfer 9999999999 from the account of John to Ahmad.


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