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CWE

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CVE-2021-47746

Published: Jan 21, 2026

Modified: Mar 5, 2026

PUBLISHED

CVSS v3.1

7.5

HIGH

Description

NodeBB Plugin Emoji 3.2.1 contains an arbitrary file write vulnerability that allows administrative users to write files to arbitrary system locations through the emoji upload API. Attackers with admin access can craft file upload requests with directory traversal to overwrite system files by manipulating the file path parameter.

Vendor	Product	Versions
NodeBB	NodeBB Plugin Emoji	affected `3.2.1`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

References

ExploitDB-49813

exploit

Official NodeBB Homepage

product

NodeBB Emoji Plugin GitHub Repository

product

VulnCheck Advisory: NodeBB Plugin Emoji 3.2.1 - Arbitrary File Write

third-party-advisory

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