Vulnerability Details CVE-2025-57330
The web3-core-subscriptions is a package designed to manages web3 subscriptions. A Prototype Pollution vulnerability in the attachToObject function of web3-core-subscriptions version 1.10.4 and before allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 16.7%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2025-57330
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cpe:2.3:a:web3js:web3-core-subscriptions:*