Changed fail_with output.

Author: espreto

modules/exploits/unix/webapp/wp_frontend_editor_file_upload.rb

@@ -64,7 +64,7 @@ def exploit
       if res.code == 200
         register_files_for_cleanup(filename)
       else
-        fail_with(Failure::Unknown, "#{peer} - You do not have sufficient permissions to access this page.")
+        fail_with(Failure::Unknown, "#{peer} - Unexpected response, exploit probably failed!")
       end
     else
       fail_with(Failure::Unknown, 'Server did not respond in an expected way')