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    CVE-2026-3884

    Versions of the package spin.js before 3.0.0 are vulnerable to Cross-site Scripting (XSS) via the spin() function that allows a creation of more than 1 alert for each 'target' element. An attacker would need to set an arbitrary key-value pair on Object.prototype through a crafted URL achieving a prototype pollution first, before being able to execute arbitrary JavaScript in the context of the user's browser.

    Published:Mar 11, 2026
    Last Modified:May 7, 2026
    EPS:Mar 11, 2026
    EPSS Score:0.00034
    CVSS Score:6.1

    Affected Products

    Vendor
    Fgnass
    Product
    Spin.js
    Vendor
    Spin.js
    Product
    Spin.js

    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