CVE-2021-26505

    Dashboard / Vulnerabilities / CVE-2021-26505

    CVE-2021-26505

    Published: 11 Aug 2023Last Modified: 8 Jul 2026

    Summary:

    Details: Prototype pollution vulnerability in MrSwitch hello.js version 1.18.6, allows remote attackers to execute arbitrary code via hello.utils.extend function.

    References: https://github.com/MrSwitch/hello.js/issues/634

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 3d694a97252b28dd09b39a2fd2b7dd3af1fdad63
    Fixed -None

    Affected versions

    1.18.6

    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
    CVE-2021-26505 | CVE-DB