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Understanding a Security Sandbox Violation

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Started ‎01-02-2014 by
Modified ‎12-15-2015 by

Understanding a Security Sandbox Violation

by Ooyalan on ‎01-02-2014 03:00 PM - edited on ‎12-15-2015 11:30 AM by Community Manager (5,381 Views)


ID: TS-00263 Player

What is Security Sandbox Violation 


Sandbox violation occurs on certain videos when you check the console logs in developer tool


Security Sandbox Violation - Uncaught flash errors with different error codes. 

Screen Shot 2013-12-26 at 9.45.07 AM.png


Usually when the Flash Player works with a third-party SWF (say, a custom module or ads manager), it expects that such SWF(Small Web Format) is hosted UNDER the same domain or at least a known domain for the player.

Many times this is not true, as many modules also load external SWF (Like the Google IMA, which loads the external SWF of the desired ads)

In order to fix this Security Violation, our Flash Player needs to update an important XML file which contains what domains are allowed which are called as crossdomain.xml

This issue can be seen for every Flash related development which involves loading an external SWF resource. Since an SWF can potentially be malicious code (as it can execute OS commands) this is quite important

This will not impact the player in most of the cases.