A recent Chromium blog post enumerated a successful 14 step exploit. http://blog.chromium.org/2012/06/tale-of-two-pwnies-part-2.html http://blog.chromium.org/20

A recent Chromium blog post enumerated a successful 14 step exploit. http://blog.chromium.org/2012/06/tale-of-two-pwnies-part-2.html http://blog.chromium.org/2012/06/tale-of-two-pwnies-part-2.h... Almost all of the iOS jailbreak vectors involve chaining together bugs and quirks in multiple different subsystems, to ultimately root the system. These aren't theoretical concerns. Just because WebGL hasn't yet been exploited doesn't mean it'll never be exploited. And given the way WebGL works, a WebGL exploit may be a very serious problem.