CVE-2021-43788

MediumCVSS 5.0/10Last modified Jun 17, 2026

Description

Nodebb is an open source Node.js based forum software. Prior to v1.18.5, a path traversal vulnerability was present that allowed users to access JSON files outside of the expected `languages/` directory. The vulnerability has been patched as of v1.18.5. Users are advised to upgrade as soon as possible.

Metrics

CVSS 3.1 5.0/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

Weakness enumeration

CWE-22

Affected software

Vendor	Product	Versions
NodeBB	NodeBB	>= 1.0.4, < 1.18.5

References

https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/Exploit, Third Party Advisory
https://github.com/NodeBB/NodeBB/commit/c8b2fc46dc698db687379106b3f01c71b80f495fPatch, Third Party Advisory
https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5Release Notes, Third Party Advisory
https://github.com/NodeBB/NodeBB/security/advisories/GHSA-pfj7-2qfw-vwgmThird Party Advisory
https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/Exploit, Third Party Advisory
https://github.com/NodeBB/NodeBB/commit/c8b2fc46dc698db687379106b3f01c71b80f495fPatch, Third Party Advisory
https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5Release Notes, Third Party Advisory
https://github.com/NodeBB/NodeBB/security/advisories/GHSA-pfj7-2qfw-vwgmThird Party Advisory

Timeline

Published: Nov 29, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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