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    CVE-2022-2421

    Due to improper type validation in attachment parsing the Socket.io js library, it is possible to overwrite the _placeholder object which allows an attacker to place references to functions at arbitrary places in the resulting query object.

    Published:Oct 25, 2022
    Last Modified:Feb 6, 2026
    EPS:Oct 25, 2022
    EPSS Score:0.01132
    CVSS Score:10

    Affected Products

    Vendor
    Socket
    Product
    Socket.io-parser

    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