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Critical · 9.0 CVE-2021-43787 EUVD-2021-2408GHSA-wx69-rvg3-x7fc

XSS via prototype pollution

Published Nov 29, 2021 · Updated Aug 4, 2024 · Assigned by GitHub_M

Description

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

VendorProductAffectedFixed
NodeBB NodeBB >= 1.15.5, < 1.18.5 —

Affected packages

EcosystemPackageAffectedFixedRecord
npm nodebb >= 1.15.0, < 1.18.5 1.18.5 GHSA-wx69-rvg3-x7fc

References