/usr/share/mediawiki-extensions/base/Cite/ is in mediawiki-extensions-base 2.5.
This file is owned by root:root, with mode 0o755.
..
/usr/share/mediawiki-extensions/base/Cite/Cite.i18n.php
/usr/share/mediawiki-extensions/base/Cite/Cite.php
/usr/share/mediawiki-extensions/base/Cite/Cite_body.php
/usr/share/mediawiki-extensions/base/Cite/SpecialCite.i18n.alias.php
/usr/share/mediawiki-extensions/base/Cite/SpecialCite.i18n.php
/usr/share/mediawiki-extensions/base/Cite/SpecialCite.php
/usr/share/mediawiki-extensions/base/Cite/SpecialCite_body.php
/usr/share/mediawiki-extensions/base/Cite/cite_text
/usr/share/mediawiki-extensions/base/Cite/cite_text-ar
/usr/share/mediawiki-extensions/base/Cite/cite_text-arz
/usr/share/mediawiki-extensions/base/Cite/cite_text-de
/usr/share/mediawiki-extensions/base/Cite/cite_text-fi
/usr/share/mediawiki-extensions/base/Cite/cite_text-fr
/usr/share/mediawiki-extensions/base/Cite/cite_text-he
/usr/share/mediawiki-extensions/base/Cite/cite_text-hu
/usr/share/mediawiki-extensions/base/Cite/cite_text-id
/usr/share/mediawiki-extensions/base/Cite/cite_text-kk
/usr/share/mediawiki-extensions/base/Cite/cite_text-kk-arab
/usr/share/mediawiki-extensions/base/Cite/cite_text-kk-cn
/usr/share/mediawiki-extensions/base/Cite/cite_text-kk-cyrl
/usr/share/mediawiki-extensions/base/Cite/cite_text-kk-kz
/usr/share/mediawiki-extensions/base/Cite/cite_text-kk-latn
/usr/share/mediawiki-extensions/base/Cite/cite_text-kk-tr
/usr/share/mediawiki-extensions/base/Cite/cite_text-lt
/usr/share/mediawiki-extensions/base/Cite/cite_text-nl
/usr/share/mediawiki-extensions/base/Cite/cite_text-oc
/usr/share/mediawiki-extensions/base/Cite/cite_text-ru
/usr/share/mediawiki-extensions/base/Cite/cite_text-sq
/usr/share/mediawiki-extensions/base/Cite/cite_text-zh-hans
/usr/share/mediawiki-extensions/base/Cite/cite_text-zh-hant