CVEvulnerability
CVE-2021-32862
5.4 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-08-18
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 5.4 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- Weaknesses
- CWE-79
Description
The GitHub Security Lab discovered sixteen ways to exploit a cross-site scripting vulnerability in nbconvert. When using nbconvert to generate an HTML version of a user-controllable notebook, it is possible to inject arbitrary HTML which may lead to cross-site scripting (XSS) vulnerabilities if these HTML notebooks are served by a web server (eg: nbviewer).
Affected configurations
• jupyter nbconvert (<= 6.2.0)
• debian debian linux 10.0
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- https://github.com/jupyter/nbconvert/security/advisories/GHSA-9jmq-rx5f-8jwq Exploit, Third Party Advisory
- https://github.com/jupyter/nbviewer/security/advisories/GHSA-h274-fcvj-h2wm Broken Link
- https://lists.debian.org/debian-lts-announce/2023/06/msg00003.html Mailing List, Third Party Advisory
- https://github.com/jupyter/nbconvert/security/advisories/GHSA-9jmq-rx5f-8jwq Exploit, Third Party Advisory
- https://github.com/jupyter/nbviewer/security/advisories/GHSA-h274-fcvj-h2wm Broken Link
- https://lists.debian.org/debian-lts-announce/2023/06/msg00003.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/09/msg00004.html lists.debian.org