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An ActionScript error has occurred: SecurityError: Error #2060:
Lately I have seen a lot of strange popups when browsing news sites in IE 11. The popups appear in an OS window (as opposed to a window created inside the web page). The popup window has the title "An ActionScript error has occurred". The text inside the popup starts with: "SecurityError: Error #2060: Security sandbox violation: ". What is strange is that these popups appear despite the fact that I made sure that Flash is not installed on my system. Also I verified that IE does not have any Flash add-on installed or enabled.
Is anyone else seeing these type of popups? Any chance this is a sign of a vulnerability or attack?
Here is an example of a complete error text:
SecurityError: Error #2060: Security sandbox violation: ExternalInterface caller http://video.ybpangea.com/SyndPlugins/tzukPlayer.swf cannot access <unknown>.