Пользователи могут обходить заблокированные слова с помощью HTML

[Falco]

Тот же принцип, что и

Bypassing character minimum on posts via HTML

Yes, this is well known, there are many topics on this. Have a search. It’s WONTFIX because there are as many methods to bypass as there are grains of sand on a beach. We only care about the common and easy ones.