bookpress.gr XSS vulnerability

Vulnerable URL: http://www.bookpress.gr/index.php?option=comgooglesearchcse=30==018047055772266180334%3Autu522u76u=FORID%3A11=UTF-8=%22%3E%3Cimg+src%3Dx+onerror%3Dprompt%28%2Fopenbugbounty%2F%29%3E=Search=el=countryGR=https%3A%2F%2Fwww.google.com Details: Description| Value ---|--- Patched:| No...