Mozilla and CKEditor

[Oleg06]

I would do 2 things
open browser console check for js errors
add About to your toolbar and see what version is loading, maybe yandex is proxying old version of cke

console writes

Insecure (http: //) page contains fields for entering a password. This is a security risk, which allows to steal login credentials of the user. [More] <unknown>

Form with unprotected (http: //) action contains fields for entering a password. This is a security risk, which allows to steal login credentials of the user. [More] <unknown>
Method getPreventDefault () is deprecated. To replace it, use the method defaultPrevented.

new version cke