Ask HN: Selecting editable text on HN, using Firefox on Android

Selecting text inside the textarea works pretty wonky, do others have this too? If you want to add a word somewhere in a sentence, a single tap selects the previous word. Also I can't paste anything without having to replace a word, unless the textarea is empty. For some reason the cursor is yellow instead of the normal blue color. It's just really wonky.

Do others have the same issue and can it be fixed? Why is this even happening?

This is Android 4.4.4 (CM11), btw.