mpi.nl XSS vulnerability

Vulnerable URL: https://www.mpi.nl/dbmpi/www/db/orc/phonelist//telextern.pl?FirstName=" Details: Description| Value ---|--- Patched:| No Latest check for patch:| 09.01.2018 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| 296604 VIP website status:| No Coordinated...