XSS via prototype pollution in NodeBB
### 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 [security@nodebb.org](mailto:security@nodebb.org)
beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2021-43787US | medium6.1 | — | ||
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… | ||||
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shotWEB
- https://github.com/NodeBB/NodeBBPACKAGE
- https://github.com/NodeBB/NodeBB/commit/1783f918bc19568f421473824461ff2ed7755e4cWEB
- https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5WEB
- https://github.com/NodeBB/NodeBB/security/advisories/GHSA-wx69-rvg3-x7fcWEB
- https://nvd.nist.gov/vuln/detail/CVE-2021-43787ADVISORY
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