Have multiple paths to find the generator tag

lib/msf/core/exploit/http/joomla/base.rb

@@ -7,15 +7,20 @@ module Msf::Exploit::Remote::HTTP::Joomla::Base
   # @return [TrueClass] Joomla is up and running.
   # @return [FalseClass] Joomla is not up.
   def joomla_and_online?
-    res = send_request_cgi({
-      'uri' => normalize_uri(target_uri.path)
-    })
+    # Possible paths that we might see the generator tag.
+    paths = [ '/', '/administrator' ]
 
-    if res
-      elements = res.get_html_meta_elements
-      elements.each_entry do |e|
-        if e.attributes['content'] && /joomla!/i === e.attributes['content'].value
-          return true
+    paths.each do |path|
+      res = send_request_cgi({
+        'uri' => normalize_uri(target_uri.path, path)
+      })
+
+      if res
+        elements = res.get_html_meta_elements
+        elements.each_entry do |e|
+          if e.attributes['content'] && /joomla!/i === e.attributes['content'].value
+            return true
+          end
         end
       end
     end