XSS in Jupyter Notebook
CVE-2021-32798
The Jupyter notebook is a web-based notebook environment for interactive computing. In affected versions untrusted notebook can execute code on load. Jupyter Notebook uses a deprecated version of Google Caja to sanitize user inputs. A publ…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.021 (79.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N.
Affected products
- Jupyter Notebook — versions 6.4.0, < 5.7.11, >= 6.0.0, < 6.4.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
- security-advisories@github.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-32798?
- CVE-2021-32798 is a critical-severity vulnerability in Jupyter Notebook, classified under Cross-site Scripting. CVSS score: 10.0/10. Published 2021-08-09.
- How severe is CVE-2021-32798?
- Critical severity. CVSS v3 base score is 10.0 out of 10.
- Is CVE-2021-32798 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.