/usr/share/kadu/plugins/data/ is in kadu-common 4.1-1.1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/kadu/plugins/data/antistring/
/usr/share/kadu/plugins/data/antistring/ant_conditions.conf
/usr/share/kadu/plugins/data/cenzor/
/usr/share/kadu/plugins/data/cenzor/cenzor_words.conf
/usr/share/kadu/plugins/data/cenzor/cenzor_words_ok.conf
/usr/share/kadu/plugins/data/gadu_protocol/
/usr/share/kadu/plugins/data/gadu_protocol/servers.txt
/usr/share/kadu/plugins/data/mediaplayer/
/usr/share/kadu/plugins/data/mediaplayer/mediaplayer.png
/usr/share/kadu/plugins/data/mprisplayer_mediaplayer/
/usr/share/kadu/plugins/data/mprisplayer_mediaplayer/mprisplayer-players.data
/usr/share/kadu/plugins/data/sms/
/usr/share/kadu/plugins/data/sms/scripts/
/usr/share/kadu/plugins/data/sms/scripts/gateway-era.js
/usr/share/kadu/plugins/data/sms/scripts/gateway-orange.js
/usr/share/kadu/plugins/data/sms/scripts/gateway-plus.js
/usr/share/kadu/plugins/data/sms/scripts/gateway.js
/usr/share/kadu/plugins/data/sql_history/
/usr/share/kadu/plugins/data/sql_history/scripts/
/usr/share/kadu/plugins/data/sql_history/scripts/history-database-recovery.sh
/usr/share/kadu/plugins/data/word_fix/
/usr/share/kadu/plugins/data/word_fix/wf_default_list.data