6.8
CVSSv2

CVE-2021-32797

Published: 09/08/2021 Updated: 07/04/2022
CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6
CVSS v3 Base Score: 9.6 | Impact Score: 6 | Exploitability Score: 2.8
VMScore: 605
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Vulnerability Summary

JupyterLab is a user interface for Project Jupyter which will eventually replace the classic Jupyter Notebook. In affected versions untrusted notebook can execute code on load. In particular JupyterLab doesn’t sanitize the action attribute of html `<form>`. Using this it is possible to trigger the form validation outside of the form itself. This is a remote code execution, but requires user action to open a notebook.

Vulnerability Trend

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jupyter jupyterlab

Vendor Advisories

In JupyterLab before version 314, untrusted notebooks can execute code on load In particular JupyterLab doesn't sanitize the action attribute of the HTML &lt;form&gt; element Using this it is possible to trigger the form validation outside of the form itself This is a remote code execution, but requires user action to open a notebook ...