mhhe.com XSS vulnerability

Vulnerable URL: http://www.mhhe.com/y2k"--!"/contactform.cgi/ Details: Description| Value ---|--- Patched:| No Latest check for patch:| 28.07.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| 12060 VIP website status:| Yes Check mhhe.com SSL connection:| Grade: B...