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CVE-2021-32862

Description

The GitHub Security Lab discovered sixteen ways to exploit a cross-site scripting vulnerability in nbconvert. When using nbconvert to generate an HTML version of a user-controllable notebook, it is possible to inject arbitrary HTML which may lead to cross-site scripting (XSS) vulnerabilities if these HTML notebooks are served by a web server (eg: nbviewer).

POC

Reference

- https://github.com/jupyter/nbconvert/security/advisories/GHSA-9jmq-rx5f-8jwq

Github

No PoCs found on GitHub currently.