There is no implication of sandboxing. Even sandboxing browser plugins is new. You should never assume a plugin in any application is sandboxed, because that ha

There is no implication of sandboxing. Even sandboxing browser plugins is new. You should never assume a plugin in any application is sandboxed, because that has never been true about any application at all until the past few years, and is still not true about virtually everything except browsers. Sandboxing of plugins is the exception, not the rule.