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CVE-2021-43787

CVE-2021-43787 · XSS via prototype pollution

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 9.0 · Critical · EPSS 1.3% · Fix available

Published
Updated

Stack: node

Affected products and versions

  • nodebb

    Versions
    • >= 1.15.5, < 1.18.5: Affected

    No fix published

  • nodebb npm

    Affected ranges
    • SEMVER: ≥ 1.15.0, < 1.18.5

    Update to 1.18.5

Original sources

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