CVE-2021-32862

CVSS V2 None CVSS V3 Medium 5.4

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).

Overview

CVE ID
CVE-2021-32862

Assigner
security-advisories@github.com

Vulnerability Status
Analyzed

Published Version
2022-08-18T19:15:14

Last Modified Date
2022-08-20T01:34:58

Weakness Enumerations

CWE	URL
CWE-79	http://cwe.mitre.org/data/definitions/79.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:jupyter:nbconvert::::::python::*	1	OR		6.2.0

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
REQUIRED

Scope
CHANGED

Confidentiality Impact
LOW

Availability Impact
NONE

Base Score
5.4

Base Severity
MEDIUM

Exploitability Score
2.3

Impact Score
2.7

References

Reference URL	Reference Tags
https://github.com/jupyter/nbconvert/security/advisories/GHSA-9jmq-rx5f-8jwq
https://github.com/jupyter/nbviewer/security/advisories/GHSA-h274-fcvj-h2wm

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-32862
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32862

History

Created	Old Value	New Value	Data Type	Notes
2022-08-18 20:00:24				Added to TrackCVE