CVE-2022-42743

deep-parse-json 1.0.2 - Prototype Pollution

Published Nov 3, 2022 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-7326 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.
Github GHSA Github GHSA GHSA-ff9j-pwxg-q5p2 deep-parse-json vulnerable to Prototype Pollution
History
Type Values Removed Values Added
Title deep-parse-json 1.0.2 - Prototype Pollution
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Fluid Attacks
Published
Updated
Dec 3, 2025, 8:01 PM
Reserved
Oct 10, 2022, 12:00 AM
Status
Modified
Published
Nov 3, 2022, 8:15 PM
Modified
Jun 17, 2026, 5:05 AM