I think, for using this at home it is feature, but at public places it is a security problem or?
No, this isn't a security problem at public places. It is a feature.
If you logged in public place to this forum, you already send all required login data (Including your Password) in plain text. So don't worry.
---Trini | 'Ys kard' | Arispotle
First and last of the Darkmoor Rangers