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GHSA-49qr-xh3w-h436

Jupyter Notebook XSS via untrusted notebooks

Source: GitHub Advisory Database (reviewed) Moderate CVE-2018-19351

Packages

EcosystemPackageAffectedFixed in
PyPI notebook < 5.7.1 5.7.1

Details

As written in the advisory (Markdown source, shown as plain text).

Jupyter Notebook before 5.7.1 allows XSS via an untrusted notebook because nbconvert responses are considered to have the same origin as the notebook server. In other words, nbconvert endpoints can execute JavaScript with access to the server API. In notebook/nbconvert/handlers.py, NbconvertFileHandler and NbconvertPostHandler do not set a Content Security Policy to prevent this.

References

External links from the advisory. They lead to third-party sites.