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CVE-2021-43787
CRITICAL · CVSS 9
EPSS exploitation probability: 0%
Published 2021-11-29T20:15:08.190 · Last modified 2026-06-17T04:11:26.350

Summary

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.

Affected products

nodebb — nodebb

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.