CVE-2021-32798 CRITICAL

CVE-2021-32798: Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) in notebook

Vendor Jupyter
Product notebook
Weakness CWE-79 · XSS
Published August 9, 2021
Last update August 3, 2024

CVSS base score

10.0/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

What the vulnerability does

01Description

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 public Caja bypass can be used to trigger an XSS when a victim opens a malicious ipynb document in Jupyter Notebook. The XSS allows an attacker to execute arbitrary code on the victim computer using Jupyter APIs.

Key dates

02Disclosure timeline

August 9, 2021 CVE published
August 3, 2024 Record updated

Related vulnerabilities

04Related CVE