There doesn't seem to be a lot of research done for these kinds of text-based browsers (mostly due to their negligible user base) but I would guess that there c

There doesn't seem to be a lot of research done for these kinds of text-based browsers (mostly due to their negligible user base) but I would guess that there could be a possibility to design pages with weird control sequences that trick the underlying renderer (curses etc.) into doing something weird or dangerous.