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CVE-2021-43787

Published: Nov 29, 2021

Modified: Aug 4, 2024

PUBLISHED

CVSS v3.1

9.0

CRITICAL

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.

Vendor	Product	Versions
NodeBB	NodeBB	affected `>= 1.15.5, < 1.18.5`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

References

https://github.com/NodeBB/NodeBB/security/advisories/GHSA-wx69-rvg3-x7fc

x_refsource_CONFIRM

https://github.com/NodeBB/NodeBB/commit/1783f918bc19568f421473824461ff2ed7755e4c

x_refsource_MISC

https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5

x_refsource_MISC

https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/

x_refsource_MISC

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