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CVE-2021-47746 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:L

CNA: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/NodeBB/nodebb-plugin-emoji	[email protected]	Source CodeVendor
https://nodebb.org/	[email protected]	Vendor
https://www.exploit-db.com/exploits/49813	[email protected]	Exploit
https://www.vulncheck.com/advisories/nodebb-plugin-emoji-arbitrary-file-write	[email protected]	AdvisoryBundle

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-73	External Control of File Name or Path	[email protected]

Affected Products

Product	Versions
NodeBB	All versions
CPE cpe:2.3:a:nodebb:nodebb:::::::: Remediation No remediation found in references.
NodeBB Plugin Emoji	All versions
CPE No CPEs found in CPE dictionary for this product. Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Jan 21, 2026	New CVE Received	[email protected]