/usr/share/javascript/cryptojs/mode-cfb.js is in libjs-cryptojs 3.1.2+dfsg-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/javascript/cryptojs/components/mode-cfb.js
/usr/share/javascript/cryptojs/components/mode-cfb.js