/usr/share/ is in php-horde-editor 2.0.3+debian0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/
/usr/share/doc/php-horde-editor/
/usr/share/horde/
/usr/share/horde/js/
/usr/share/horde/js/ckeditor/
/usr/share/horde/js/ckeditor/images/
/usr/share/php/
/usr/share/php/.registry/
/usr/share/php/.registry/.channel.pear.horde.org/
/usr/share/php/.registry/.channel.pear.horde.org/horde_editor.reg
/usr/share/php/Horde/
/usr/share/php/Horde/Editor.php
/usr/share/php/Horde/Editor/
/usr/share/php/Horde/Editor/Exception.php
/usr/share/php/Horde/Editor/Ckeditor.php
/usr/share/doc/php-horde-editor/copyright
/usr/share/doc/php-horde-editor/changelog.Debian.gz
/usr/share/doc/php-horde-editor/package.xml.gz
/usr/share/horde/js/ckeditor/plugins
/usr/share/horde/js/ckeditor/contents.css
/usr/share/horde/js/ckeditor/themes
/usr/share/horde/js/ckeditor/ckeditor_basic.js
/usr/share/horde/js/ckeditor/config.js
/usr/share/horde/js/ckeditor/images/spacer.gif
/usr/share/horde/js/ckeditor/ckeditor.js
/usr/share/horde/js/ckeditor/skins
/usr/share/horde/js/ckeditor/lang