Improper Restriction of XML External Entity Reference in Quokka · CVE-2020-18703 · GitHub Advisory Database · GitHub

Improper Restriction of XML External Entity Reference in Quokka

Critical severity GitHub Reviewed Published Aug 30, 2021 to the GitHub Advisory Database • Updated Feb 1, 2023

Package

quokka (pip)

Affected versions

<= 0.4.0

Patched versions

None

Description

XML External Entities (XXE) in Quokka v0.4.0 allows remote attackers to execute arbitrary code via the component 'quokka/utils/atom.py'.

References

Published by the National Vulnerability Database

Aug 16, 2021

Reviewed Aug 26, 2021

Published to the GitHub Advisory Database Aug 30, 2021

Last updated Feb 1, 2023

Severity

Critical

9.8

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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