PhpMyFactures 1.0, and possibly 1.2 and earlier, allows remote attackers to obtain the installation path via a direct request to (1) /verif.php, (2) /inc/footer.php, and (3) /remises/ajouter_remise.php.
https://exchange.xforce.ibmcloud.com/vulnerabilities/27205
http://www.securityfocus.com/archive/1/437025/100/0/threaded