atlanta-theater.com XSS vulnerability

Vulnerable URL: https://www.atlanta-theater.com/review/reviewform.php?itemid=1834%27"--! Details: Description| Value ---|--- Patched:| No Latest check for patch:| 28.07.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| 1614686 VIP website status:| No Check...