After visiting a website, a user receives an email thanking them for a purchase which they did not
request. Upon investigation the security administrator sees the following source code in a pop-up
window:
<HTML>
<body onload=”document.getElementByID(‘badForm’).submit()”>
<form id=”badForm” action=”shoppingsite.company.com/purchase.php” method=”post” >
<input name=”Perform Purchase” value=”Perform Purchase”/>
</form>
</body>
</HTML>
Which of the following has MOST likely occurred?
A.
SQL injection
B.
Cookie stealing
C.
XSRF
D.
XSS
Explanation:
XSRF or cross-site request forgery applies to web applications and is an attack that exploits the
web application’s trust of a user who known or is supposed to have been authenticated. This is
often accomplished without the user’s knowledge.