GHSA-qrmc-fj45-qfc2

    Dashboard / Vulnerabilities / GHSA-qrmc-fj45-qfc2

    GHSA-qrmc-fj45-qfc2

    Published: 7 Feb 2019Last Modified: 3 Feb 2026

    Summary: Prototype Pollution in extend

    Details: Versions of `extend` prior to 3.0.2 (for 3.x) and 2.0.2 (for 2.x) are vulnerable to Prototype Pollution. The `extend()` function allows attackers to modify the prototype of Object causing the addition or modification of an existing property that will exist on all objects. ## Recommendation If you're using `extend` 3.x upgrade to 3.0.2 or later. If you're using `extend` 2.x upgrade to 2.0.2 or later.

    References: https://nvd.nist.gov/vuln/detail/CVE-2018-16492, https://github.com/github/advisory-database/pull/6695, https://github.com/justmoon/node-extend/pull/48, https://github.com/justmoon/node-extend/commit/0e68e71d93507fcc391e398bc84abd0666b28190, https://hackerone.com/reports/381185, https://github.com/justmoon/node-extend

    Affected packages

    Package

    Name: extend

    Purl: pkg:npm/extend

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 3.0.0
    Fixed -3.0.2

    Affected versions

    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