npm package report

Is property-expr safe?

property-expr (npm) has 1 known vulnerability, the worst rated CRITICAL. Upgrade to 2.0.3 or later to clear it. No malicious-package signal is recorded.

// reach

0 direct dependencies

none carry a known advisory

    1 packages depend on it

    an advisory here reaches each of them

    Create a free accountfor every dependency path, dependent and what to upgrade
    // ai model usage

    Tracked for PyPI packages. HuggingFace models declare Python dependencies, so npm packages are not covered.


    cvss
    9.8
    critical

    CVSS v3.1 base score out of 10

    epss
    3.4%
    medium

    chance of exploitation in 30 days, 89th percentile of all CVEs

    xyz score
    4.9
    medium

    CyberXYZ composite out of 10

    fig. 01 — GHSA-6fw4-hr69-g3rv, the advisory selected below

    // 1 advisories

    The package property-expr before 2.0.3 are vulnerable to Prototype Pollution via the setter function.

    Full advisory text at GitHub advisory or NVD.

    // cvss v3.1 vector

    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

    Attack vector
    Network
    Attack complexity
    Low
    Privileges required
    None
    User interaction
    None
    Scope
    Unchanged
    Confidentiality
    High
    Integrity
    High
    Availability
    High
    // questions
    Is property-expr safe to install?

    CyberXYZ does not call a package safe in absolute terms. It records 1 known vulnerability for property-expr (npm), the worst rated CRITICAL, and no malicious-package signal. Whether it is acceptable depends on the version you run.

    Does property-expr have known vulnerabilities?

    Yes. CyberXYZ records 1 known vulnerability for property-expr (npm), the worst rated CRITICAL. They are GHSA-6fw4-hr69-g3rv.

    Which version of property-expr should I use?

    2.0.3 or later clears every advisory recorded for property-expr (npm). Check the release you pick before installing it.

    How do I check property-expr before installing?

    Search property-expr in CyberXYZ Check at https://cyberxyz.io/check?q=property-expr. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.


    Checked 2026-11-14 at 07:47 UTC. The most recent advisory here was published 2021-05-06. Updated continuously from NVD, GHSA, OSV and CNA feeds.

    Think a verdict here is wrong? Tell us — we respond within 2 business days.