GHSA-5gc4-cx9x-9c43

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    GHSA-5gc4-cx9x-9c43

    Published: 9 Jun 2022Last Modified: 10 Sept 2026

    Summary: Code Injection in metacalc

    Details: The package metacalc before 0.0.2 is vulnerable to Arbitrary Code Execution when it exposes JavaScript's Math class to the v8 context. As the Math class is exposed to user-land, it can be used to get access to JavaScript's Function constructor.

    References: https://nvd.nist.gov/vuln/detail/CVE-2022-21122, https://github.com/metarhia/metacalc/pull/16, https://github.com/metarhia/metacalc/commit/625c23d63eabfa16fc815f5832b147b08d2144bd, https://github.com/metarhia/metacalc, https://snyk.io/vuln/SNYK-JS-METACALC-2826197

    Affected packages

    Package

    Name: metacalc

    Purl: pkg:npm/metacalc

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -0.0.2

    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
    GHSA-5gc4-cx9x-9c43 | CVE-DB