In the new version, import / export of profiles appeared (click on ">>" to the right of the new profile creation button). All profiles can be exported to one text file, but to save this file InFormEnter needs to use the browser downloads. The exported file then remains in the download history. Only for exporting profiles InFormEnter needs access to downloads.

Update: read more about security here
http://firefoxer.ru/informenter+faq.htm