GHSA-wx69-rvg3-x7fc

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    GHSA-wx69-rvg3-x7fc

    Published: 30 Nov 2021Last Modified: 8 Jul 2026

    Summary: XSS via prototype pollution in NodeBB

    Details: ### Impact A prototype pollution vulnerability in the uploader module allowed a malicious user to inject arbitrary data (i.e. javascript) into the DOM, theoretically allowing for an account takeover when used in conjunction with a path traversal vulnerability disclosed at the same time as this report. ### Patches The vulnerability has been patched as of v1.18.5. ### Workarounds Cherry-pick commit hash 1783f918bc19568f421473824461ff2ed7755e4c to receive this patch in lieu of a full upgrade. ### For more information If you have any questions or comments about this advisory: * Email us at [[email protected]](mailto:[email protected])

    References: https://github.com/NodeBB/NodeBB/security/advisories/GHSA-wx69-rvg3-x7fc, https://nvd.nist.gov/vuln/detail/CVE-2021-43787, https://github.com/NodeBB/NodeBB/commit/1783f918bc19568f421473824461ff2ed7755e4c, https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot, https://github.com/NodeBB/NodeBB, https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5

    Affected packages

    Package

    Name: nodebb

    Purl: pkg:npm/nodebb

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 1.15.0
    Fixed -1.18.5

    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-wx69-rvg3-x7fc | CVE-DB