CVE-2018-8768

Severity: high (CVSS 7.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-03-18 · updated 2026-06-17

Description

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.

Affected products

jupyter notebook: before 5.4.1 — fixed in 5.4.1

How to fix

Upgrade to a fixed version: jupyter notebook 5.4.1. Check the vendor advisory for mitigations.

References

http://openwall.com/lists/oss-security/2018/03/15/2
https://lists.debian.org/debian-lts-announce/2020/11/msg00033.html
http://openwall.com/lists/oss-security/2018/03/15/2
https://lists.debian.org/debian-lts-announce/2020/11/msg00033.html

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