Be conservative and do NormalRanking

Author: wchen-r7

modules/exploits/windows/browser/firefox_smil_uaf.rb

@@ -6,7 +6,7 @@
 require 'msf/core'
 
   class MetasploitModule < Msf::Exploit::Remote
-    Rank = GreatRanking
+    Rank = NormalRanking
 
     include Msf::Exploit::Remote::HttpServer