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OpenAdvisories
High · 7.3 CVE-2025-3197 EUVD-2025-9700GHSA-4vjr-hfpp-2m7w

expand-object Vulnerable to Prototype Pollution via the expand() Function

Published Apr 4, 2025 · Updated Apr 4, 2025 · Assigned by snyk

Description

Versions of the package expand-object from 0.0.0 are vulnerable to Prototype Pollution in the expand() function in index.js. This function expands the given string into an object and allows a nested property to be set without checking the provided keys for sensitive properties like __proto__.

Affected products

VendorProductAffectedFixed
— expand-object 0.0.0 —

Affected packages

EcosystemPackageAffectedFixedRecord
npm expand-object <= 0.4.2 — GHSA-4vjr-hfpp-2m7w

References