Cloud Vulnerability DB
A community-led vulnerabilities database
Vulnerability DatabaseCVE-2025-57330
CVE-2025-57330:
JavaScript vulnerability analysis and mitigation
Overview
The web3-core-subscriptions package version 1.10.4 and earlier contains a Prototype Pollution vulnerability. This vulnerability was discovered in September 2025 and affects the attachToObject function of the package, which is designed to manage web3 subscriptions (MITRE).
Technical details
The vulnerability exists in the attachToObject function of web3-core-subscriptions where improper validation of user input allows attackers to inject properties on Object.prototype. The vulnerability has been assigned CVE-2025-57330 and is classified as CWE-1321 (Improperly Controlled Modification of Object Prototype Attributes). The CVSS v3.1 base score is 7.5 HIGH with a vector string of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (MITRE).
Impact
The exploitation of this vulnerability can lead to denial of service (DoS) as the minimum consequence. The ability to inject properties on Object.prototype through a crafted payload could potentially affect the entire application's behavior and stability (MITRE).
Additional resources
Source: This report was generated using AI
Related JavaScript vulnerabilities:
Free Vulnerability Assessment
Benchmark your Cloud Security Posture
Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.
Additional Wiz resources
Get a personalized demo
Ready to see Wiz in action?
"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management