CVE-2021-32798 is a critical cross-site scripting (XSS) vulnerability affecting Jupyter Notebook, allowing untrusted notebooks to execute arbitrary code upon loading. This flaw stems from Jupyter Notebook's use of a deprecated Google Caja version, which can be bypassed to trigger the XSS. With a CVSS score of 9.6 (CRITICAL), the vulnerability is easily exploitable over the network with low attack complexity, requiring user interaction but leading to complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion, indicating awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.7.0, < 5.7.11CPE matchmatch criteria | cpe:2.3:a:jupyter:notebook:*:*:*:*:*:*:*:* | ||
6.4.0CPE matchmatch criteria | cpe:2.3:a:jupyter:notebook:6.4.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.8 Bluesky, 0.5 Mastodon, and 1.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.