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    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.

    Published:Sep 24, 2025
    Last Modified:Oct 17, 2025
    EPS:Sep 24, 2025
    EPSS Score:0.00054
    CVSS Score:7.5

    Affected Products

    Vendor
    Web3js
    Product
    Web3-core-subscriptions

    Exploits

    No exploit reference

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High