CVE-2022-42743

Published: Nov 3, 2022Modified: Jun 17, 2026

5.3

Vector

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

Exploitability: 3.9 / Impact: 1.4

Source: NVD

Description

deep-parse-json version 1.0.2 allows an external attacker to edit or add new properties to an object. This is possible because the application does not correctly validate the incoming JSON keys, thus allowing the '__proto__' property to be edited.

Affected (1)

Products: Deep Parse Json Project: Deep Parse Json

Deep Parse Json Project

1 product

Deep Parse Json

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Deep Parse Json Project Deep Parse Json	Version 1.0.2

Related CWEs

CWE-1321

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.

References (4)

https://fluidattacks.com/advisories/buuren/

Source: help@fluidattacks.com

ExploitThird Party Advisory

https://github.com/sibu-github/deep-parse-json

Source: help@fluidattacks.com

Product

https://fluidattacks.com/advisories/buuren/

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party Advisory

https://github.com/sibu-github/deep-parse-json

Source: af854a3a-2127-422b-91ae-364da2661108

Product

Timeline

No history available yet.