nbconvert vulnerable to cross-site scripting (XSS) via multiple exploit paths
CVE-2021-32862

7.5HIGH

Key Information:

Vendor

Jupyter

Status
Nbconvert
Vendor
CVE Published:
18 August 2022

What is CVE-2021-32862?

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 Version(s)

nbconvert <= 6.2

References

https://github.com/jupyter/nbconvert/security/advisories/...
https://github.com/jupyter/nbviewer/security/advisories/G...
https://lists.debian.org/debian-lts-announce/2023/06/msg0...
mailing-list

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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