Currently we can create accounts with ANY password. Hopefully mediawiki has flags that can require stronger passwords.
Related Gerrit Patches:
|operations/mediawiki-config : master||Set minimum password length of 10 for wikitech.|
|Resolved||None||T14884 Login and account creation should be by secure http.|
|Open||None||T11816 Improve security for Special:Userlogin (tracking)|
|Resolved||Andrew||T118751 Add password requirements for wikitech accounts|
And the current requirements generally for WMF wikis are much the same as the defaults