This does not relate to "webcam" at all? This allows to inject any script to any source, that seems more scary than "just" hacking a webcam? Also it makes me r

This does not relate to "webcam" at all? This allows to inject any script to any source, that seems more scary than "just" hacking a webcam? Also it makes me reconsider using Safari, seeing all these "special cases" of iCloud and iPhoto URLs being allowed.