Path Disclosure (Info Disclosure) in http://www.localize.io

How it was found

Hello, I found a information disclosure vulnerability. How to reproduce: GET : http://www.localize.io/ POST : sign_in[username][]=test&sign_in[password][]=test

The info from page is Warning: trim() expects parameter 1 to be string, array given in /var/www/vhosts/lvps178-77-99-228.dedicated.hosteurope.de/httpdocs_localize/index.php on line 732 Is disclosed the path of the site. Regards, Florin