CVE-2025-3197

CVSS 6.9 MEDIUMEPSS 0.4%CWE-1321

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.9EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

04 Apr 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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: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

Affected products

n/a · expand-object

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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