CVE-2024-22420

Stored cross site scripting in Markdown Preview in JupyterLab

Description

JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook and Architecture. This vulnerability depends on user interaction by opening a malicious Markdown file using JupyterLab preview feature. A malicious user can access any data that the attacked user has access to as well as perform arbitrary requests acting as the attacked user. JupyterLab version 4.0.11 has been patched. Users are advised to upgrade. Users unable to upgrade should disable the table of contents extension.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.25%
Vendor Advisory github.com
Affected: jupyterlab jupyterlab
Published at:
Updated at:

References

Link Tags
https://github.com/jupyterlab/jupyterlab/security/advisories/GHSA-4m77-cmpx-vjc4 vendor advisory
https://github.com/jupyterlab/jupyterlab/commit/e1b3aabab603878e46add445a3114e838411d2df patch
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UQJKNRDRFMKGVRIYNNN6CKMNJDNYWO2H/ third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2024-22420?
CVE-2024-22420 has been scored as a medium severity vulnerability.
How to fix CVE-2024-22420?
To fix CVE-2024-22420, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-22420 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-22420 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-22420?
CVE-2024-22420 affects jupyterlab jupyterlab.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.