bonhams.com XSS vulnerability

Vulnerable URL: http://www.bonhams.com/search/?q=" h a h h a h a h a h xany h a h h a h a h a h xany+ Details: Description| Value ---|--- Patched:| No Latest check for patch:| 31.07.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| 73401 VIP website status:| Yes...