CVE-2018-21030 Cross-site scripting in Jupyter Notebook
An attacker can execute arbitrary scripts via XSS in SVG documents due to missing CSP headers in Jupyter Notebook.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-21030?
CVE-2018-21030 is a medium-severity cross-site scripting vulnerability in n/a, published on 31 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2018-21030?
3 open source packages ship an affected version, including notebook. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
notebook PyPI | All versions | 5.5.0 |
notebook PyPI | All versions | 5.5.0rc1 |
notebook PyPI | All versions | 5.5.0rc1 |
Products include Jupyter Notebook.
How do I fix CVE-2018-21030?
Upgrade notebook to a fixed version for your release line: 5.5.0 or 5.5.0rc1.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2018-21030 being exploited?
There is no known exploitation of CVE-2018-21030 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2021-32798 Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) in notebook
- CVE-2018-8768 Jupyter Notebook file bypasses sanitization, executes JavaScript
- CVE-2022-24758 Insertion of Sensitive Information into Log File affects Jupyter Notebook
- CVE-2019-10856 Jupyter Notebook open redirect vulnerability
- CVE-2018-19351 Jupyter Notebook XSS via untrusted notebooks
Sources
Also known as DEBIAN-CVE-2018-21030, GHSA-jqwc-jm56-wcwj, PYSEC-2019-157, UBUNTU-CVE-2018-21030.