Vulnerability 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 Score
HIGH
Related Weaknesses (CWE)
References
- https://gist.github.com/miguelafmonteiro/d8f66af61d14e06338b688f90c4dfa7c
- https://github.com/jonschlinkert/expand-object/blob/master/index.js%23L13
- https://security.snyk.io/vuln/SNYK-JS-EXPANDOBJECT-5821390
- https://security.snyk.io/vuln/SNYK-JS-EXPANDOBJECT-5821390
FAQ
What is CVE-2025-3197?
CVE-2025-3197 is a vulnerability with a CVSS score of 7.3 (HIGH). 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 p...
How severe is CVE-2025-3197?
CVE-2025-3197 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-3197?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.