CVE-2021-43787

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    CVE-2021-43787

    Published: 29 Nov 2021Last Modified: 9 Jul 2026

    Summary:

    Details: Nodebb is an open source Node.js based forum software. In affected versions 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. The vulnerability has been patched as of v1.18.5. Users are advised to upgrade as soon as possible.

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

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- e8ca993aac4b90cfea131050814a19e144a27094
    Fixed -None

    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
    CVE-2021-43787 | CVE-DB