CVE-2023-0842

xml2js version 0.4.23 allows an external attacker to edit or add new properties to an object. This is possible because the application does not properly validate incoming JSON keys, thus allowing the __proto__ property to be edited.

Score

CVSS 3.1 5.3 Medium

Status

Modified - help@fluidattacks.com

Published

2023-04-05

Last modified

2025-12-03

Weaknesses

CWE-1321

Affected products

• Xml2js (Xml2js Project)

References

• https://fluidattacks.com/advisories/myers/
• https://github.com/Leonidas-from-XIV/node-xml2js/
• https://github.com/Leonidas-from-XIV/node-xml2js/releases/tag/0.6.2
• https://lists.debian.org/debian-lts-announce/2024/03/msg00013.html