CVE-2023-0842

Public Exploit

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.

References

Link	Tags
https://fluidattacks.com/advisories/myers/	third party advisory exploit
https://github.com/Leonidas-from-XIV/node-xml2js/	product
https://lists.debian.org/debian-lts-announce/2024/03/msg00013.html	mailing list

Frequently Asked Questions

What is the severity of CVE-2023-0842?: CVE-2023-0842 has been scored as a medium severity vulnerability.
How to fix CVE-2023-0842?: To fix CVE-2023-0842, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-0842 being actively exploited in the wild?: It is possible that CVE-2023-0842 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-0842?: CVE-2023-0842 affects n/a xml2js.

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Description

Category

CWE-1321 – Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

References

Frequently Asked Questions