Finding errors such as inputting a string instead of a number or "" or "/" instead of a string, or a very long string & a very large number. All this malformed parameters can help us find the place to inject XSS script.
The "Tag Closer" method is used by inputing non-alphabetic and non-numeric chars
inside form's input text boxes. This chars could be: ,/,~,!,#,$,%,^,&,-,[,],null(char 255),.(dot)
But the chars that mostly does the job is either " or '. What we do is just insert "> or '> inside
a text box instead of our name/email/username/password and etc...
The best protection against it is filtering and removing from recieved input any non-alphabetic and non-numeric chars
and testing to make sure that the filtering system works! "To make XSS and SQL Injections Leet you must apply Social Engineering"
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