/var/lib/fusionforge/plugins/moinmoin/wikidata/moin.wsgi is in fusionforge-plugin-moinmoin 6.0.3+20151023-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/fusionforge/plugins/moinmoin/wsgi/moin.wsgi