classifieds.union-bulletin.com XSS vulnerability

Vulnerable URL: http://classifieds.union-bulletin.com/wallawalla/all-categories/search?searchtype=advancedsearchkeyword=OPENBUGBOUNTY'" Details: Description| Value ---|--- Patched:| Yes, at Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| Unknown / Not calculated VIP...