Path Traversal: 'dir/../../filename' in moment.locale
Description
### Impact
This vulnerability impacts npm (server) users of moment.js, especially if user provided locale string, eg `fr` is directly used to switch moment locale.
### Patches
This problem is patched in 2.29.2, and the patch can be applied to all affected versions (from 1.0.1 up until 2.29.1, inclusive).
### Workarounds
Sanitize user-provided locale name before passing it to moment.js.
### References
_Are there any links users can visit to find out more?_
### For more information
If you have any questions or comments about this advisory:
* Open an issue in [moment repo](https://github.com/moment/moment)