Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nodebb | Nodebb | >= 1.15.5, <= 1.18.4 |
Related Weaknesses (CWE)
References
- https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/ExploitThird Party Advisory
- https://github.com/NodeBB/NodeBB/commit/1783f918bc19568f421473824461ff2ed7755e4cPatchThird Party Advisory
- https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5PatchRelease NotesThird Party Advisory
- https://github.com/NodeBB/NodeBB/security/advisories/GHSA-wx69-rvg3-x7fcPatchThird Party Advisory
- https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/ExploitThird Party Advisory
- https://github.com/NodeBB/NodeBB/commit/1783f918bc19568f421473824461ff2ed7755e4cPatchThird Party Advisory
- https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5PatchRelease NotesThird Party Advisory
- https://github.com/NodeBB/NodeBB/security/advisories/GHSA-wx69-rvg3-x7fcPatchThird Party Advisory
FAQ
What is CVE-2021-43787?
CVE-2021-43787 is a vulnerability with a CVSS score of 9.0 (CRITICAL). 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. javascrip...
How severe is CVE-2021-43787?
CVE-2021-43787 has been rated CRITICAL with a CVSS base score of 9.0/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-43787?
Check the references section above for vendor advisories and patch information. Affected products include: Nodebb Nodebb.