Jupyter Notebook before 5.7.2 allows XSS via a crafted directory name because notebook/static/tree/js/notebooklist.js handles certain URLs unsafely.
https://pypi.org/project/notebook/#history
https://github.com/jupyter/notebook/commit/288b73e1edbf527740e273fcc69b889460871648
https://github.com/jupyter/notebook/blob/master/docs/source/changelog.rst