CVE-2025-3197

MEDIUM EPSS 28.3%
Published Apr 4, 20251y ago · Modified Jun 17, 20262w ago
5.5 CVSS 4.0
Medium
Find Similar
Published Apr 4, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

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__.

CVSS Details

Base Score
5.5
Exploitability
—
Impact
—
Vector string
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
28.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-1321

References 3

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.