CVE-2025-3197

State: Published
Severity: 6.9 Medium
Published: Apr 4, 2025
Updated: Apr 4, 2025
Reserved: Apr 3, 2025

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__.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P	snyk
3.1	7.3 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L	snyk

Weaknesses

CWE-1321 Prototype Pollution

Affected Products

Product	Versions
expand-objectn/a	0.0.0 and laterAffected

References

https://security.snyk.io/vuln/SNYK-JS-EXPANDOBJECT-5821390
https://gist.github.com/miguelafmonteiro/d8f66af61d14e06338b688f90c4dfa7c
https://github.com/jonschlinkert/expand-object/blob/master/index.js%23L13

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