Unfixed XSS vulnerability at grasscity.list-manage.com

Security researcher Skunkfoot, has submitted on 06/02/2009 a cross-site-scripting XSS vulnerability affecting grasscity.list-manage.com, which at the time of submission ranked 763 on the web according to Alexa. We manually validated and published a mirror of this vulnerability on 16/12/2011. It i...