CVE-2018-21030: XSS
First published: Thu Oct 31 2019(Updated: )
Jupyter Notebook before 5.5.0 does not use a CSP header to treat served files as belonging to a separate origin. Thus, for example, an XSS payload can be placed in an SVG document.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Jupyter Notebook | <5.5.0 | |
| pip/notebook | <5.5.0rc1 | 5.5.0rc1 |
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Reference Links
- https://github.com/jupyter/notebook/pull/3341
- https://github.com/jupyter/notebook/releases/tag/5.5.0
- https://lists.debian.org/debian-lts-announce/2020/11/msg00033.html
- https://nvd.nist.gov/vuln/detail/CVE-2018-21030
- https://github.com/jupyter/notebook/commit/e321c80776542b8d6f3411af16f9e21e51e27687
- https://github.com/advisories/GHSA-jqwc-jm56-wcwj (Advisory)
- https://github.com/pypa/advisory-database/tree/main/vulns/notebook/PYSEC-2019-157.yaml
Frequently Asked Questions
What is CVE-2018-21030?
CVE-2018-21030 is a vulnerability in Jupyter Notebook before version 5.5.0 that allows an attacker to place an XSS payload in an SVG document.
How does CVE-2018-21030 work?
CVE-2018-21030 occurs because Jupyter Notebook does not use a Content Security Policy (CSP) header, allowing served files to be treated as belonging to the same origin, which can be exploited to execute malicious scripts.
How severe is CVE-2018-21030?
CVE-2018-21030 has a severity rating of 5.3, which is considered medium.
How can I fix CVE-2018-21030?
To fix CVE-2018-21030, upgrade Jupyter Notebook to version 5.5.0 or newer.
Where can I find more information about CVE-2018-21030?
More information about CVE-2018-21030 can be found at the following references: [link1], [link2], [link3].
- collector/nvd-index
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/remedy
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- agent/first-publish-date
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- source/GitHub
- alias/GHSA-jqwc-jm56-wcwj
- alias/CVE-2018-21030
- agent/software-canonical-lookup
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- agent/severity
- agent/last-modified-date
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- canonical/jupyter notebook
- package-manager/pip