Cross-site Scripting (XSS) Affecting jupyterlab package, versions <4.0.11+ds1+~cs11.25.27-3


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.4% (33rd percentile)

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  • Snyk IDSNYK-ECHOLATEST-JUPYTERLAB-18507859
  • published2 Aug 2026
  • disclosed28 Aug 2024

Introduced: 28 Aug 2024

CVE-2024-43805  (opens in a new tab)
CWE-79  (opens in a new tab)

How to fix?

Upgrade Echo:latest jupyterlab to version 4.0.11+ds1+~cs11.25.27-3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream jupyterlab package and not the jupyterlab package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

jupyterlab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. This vulnerability depends on user interaction by opening a malicious notebook with Markdown cells, or 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 v3.6.8, v4.2.5 and Jupyter Notebook v7.2.2 have been patched to resolve this issue. Users are advised to upgrade. There is no workaround for the underlying DOM Clobbering susceptibility. However, select plugins can be disabled on deployments which cannot update in a timely fashion to minimise the risk. These are: 1. @jupyterlab/mathjax-extension:plugin - users will loose ability to preview mathematical equations. 2. @jupyterlab/markdownviewer-extension:plugin - users will loose ability to open Markdown previews. 3. @jupyterlab/mathjax2-extension:plugin (if installed with optional jupyterlab-mathjax2 package) - an older version of the mathjax plugin for JupyterLab 4.x. To disable these extensions run: jupyter labextension disable @jupyterlab/markdownviewer-extension:plugin &amp;&amp; jupyter labextension disable @jupyterlab/mathjax-extension:plugin &amp;&amp; jupyter labextension disable @jupyterlab/mathjax2-extension:plugin in bash.

CVSS Base Scores

version 3.1