CVE-2018-8768: PYSEC-2018-57 - In Jupyter Notebook before 5.4.1, a maliciously forged notebook file can bypass sanitization to execute JavaScript in the notebook context.

CVE-2018-8768 · Severity: low · CVSS 3 · Published 2018-03-18

In Jupyter Notebook before 5.4.1, a maliciously forged notebook file can bypass sanitization to execute JavaScript in the notebook context. Specifically, invalid HTML is 'fixed' by jQuery after sanitization, making it dangerous.

Technologies: notebook (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2018-8768 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2018-8768 being exploited in the wild.
How severe is CVE-2018-8768?
Low severity, with a CVSS score of 3, published 18 March 2018.
Which products and versions are affected?
notebook (PyPI) ECOSYSTEM:introduced=0,fixed=5.4.1.
Is there a fix for CVE-2018-8768?
Yes. notebook (PyPI): upgrade to 5.4.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2018-8768?
Check whether you run notebook (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • notebook (PyPI): upgrade to 5.4.1 or later
    pip install "notebook>=5.4.1"

Affected products

  • notebook (PyPI) ECOSYSTEM:introduced=0,fixed=5.4.1

Identifiers

  • CVE-2018-8768
  • GHSA-6cwv-x26c-w2q4
  • PYSEC-2018-57

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