CVE-2021-32862 Information

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).

Reference

https://github.com/jupyter/nbconvert/security/advisories/GHSA-9jmq-rx5f-8jwq https://github.com/jupyter/nbviewer/security/advisories/GHSA-h274-fcvj-h2wm