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Old 03-06-2025, 10:29 PM   #1
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Epub conversion security issues and privacy-breaching behaviorsremove external links)
Since epub is html based publishing, I realize someone could (theoretically) leverage html practices that bring up (for the epub viewer device) potential security issues and privacy-breaching behaviors like web beacons, csrf, and xshm (for examples).

Is there anyway Calibre's conversion mechanism can be used to redirect links for external (internet locations) to safer options such as "about:blank" or perhaps (if added to some future version) some calibre default safe alternative?
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Old 03-06-2025, 10:33 PM   #2
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No, conversion doesnt have any such functionality. Conversions goals are to convert between formats maintaining as much fidelity as possible. If you are worried about external resource use the link checker tool in the calibre editor to download all remote resources into local ones in an epub.
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Old 03-06-2025, 11:20 PM   #3
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Most dedicated readers have Airplane mode. So if you load via USB...
Not all support scripts.
Not much else on a dedicated reader to harvest. Buy a book for delivery to a device registered to that account?

Not bad that you ARE thinking about this. It just is only a slight worry ON A PC or Tablet
IIRC My Kobo asks me if I try an external link. Readers are intended for offline use
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