Update to version 2.48 (security update).
If password based logins is enabled in ikiwiki, those passwords were
until this release stored in cleartext in the userdb. To guard
against exposing users' passwords, ikiwiki now use strong (blowfish)
hashes for storing passwords.
To hash existing passwords, update to this version and run the
following command for each of your ikiwiki src dirs:
ikiwiki-transition hashpassword /path/to/your/wiki/srcdir
Approved by: erwin (mentor, implicit)
Security:
http://www.vuxml.org/freebsd/90db9983-2f53-11dd-a0d8-0016d325a0ed.html