On Mar 30, 11:46 am, "bste...@mozilla.com" <bste...@mozilla.com>
wrote:

>
> Actually, all event-handling HTML attributes will be blocked, as they
> are a common vector for XSS, e.g. <body onload="evil()">.  However,
> sites will still be able to do event handling in the following ways:

but evil() can only exist as a javascript built-in function or as a
function defined in a white-listed source.
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