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CVE-2023-0842

5.3 · MEDIUM

xml2js version 0.4.23 allows an external attacker to edit or add new properties to an object.

Published Apr 5, 2023CWE-1321EPSS 1.40%

Overview

CVE-2023-0842 is a medium-severity vulnerability. It was published on April 5, 2023 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reffluidattacks.com/advisories/myers/GitHubgithub.com/Leonidas-from-XIV/node-xml2js/GitHubgithub.com/Leonidas-from-XIV/node-xml2js/releases/tag/0.6.2Reflists.debian.org/debian-lts-announce/2024/03/msg00013.htmlReffluidattacks.com/advisories/myers/GitHubgithub.com/Leonidas-from-XIV/node-xml2js/Reflists.debian.org/debian-lts-announce/2024/03/msg00013.html

How CyberStrike helps

Frequently asked questions

What is CVE-2023-0842?

CVE-2023-0842 is a medium-severity vulnerability. It was published on April 5, 2023 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2023-0842?

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-0842?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-0842?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-0842 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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