CVE-2021-43788

MEDIUM
Published Nov 29, 20214y ago · Modified Jun 17, 20262w ago
5.0 CVSS 3.1
Medium
Find Similar
Published Nov 29, 2021 4y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
5.0
Exploitability
3.1
Impact
1.4
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Changed
Confidentiality Low
Integrity None
Availability None

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-22 Path Traversal Resource Mgmt

Affected Products 1

VendorProductVersionRange
nodebbnodebb*≥1.0.4  –  ≤1.18.4

References 4

  • blog.sonarsource.com https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/
    ExploitThird Party Advisory
  • github.com https://github.com/NodeBB/NodeBB/commit/c8b2fc46dc698db687379106b3f01c71b80f495f
    PatchThird Party Advisory
  • github.com https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5
    Release NotesThird Party Advisory
  • github.com https://github.com/NodeBB/NodeBB/security/advisories/GHSA-pfj7-2qfw-vwgm
    Third Party Advisory

Remediation

  • github.com https://github.com/NodeBB/NodeBB/commit/c8b2fc46dc698db687379106b3f01c71b80f495f
    PatchThird Party Advisory