/usr/share/bug/libreoffice-core/script is in libreoffice-core 1:3.5.4+dfsg2-0+deb7u6.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | #!/bin/sh
# list all installed extensions. --bundled, --shared and non-shared
/usr/lib/libreoffice/program/unopkg list --bundled >&3
/usr/lib/libreoffice/program/unopkg list --shared >&3
/usr/lib/libreoffice/program/unopkg list >&3
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