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CVE-2021-47746

NodeBB Plugin Emoji 3.2.1 - Arbitrary File Write

Published: Jan 21, 2026Updated: Jan 26, 2026 Sources: CVE List NVDCWE-73
7.5HIGH
NVD MITRE
EPSS Score
0.7%
Top 52.0%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
No Fix Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-73

Affected Products

NodeBB
commercialaka nodebb forum software
NodeBB Plugin EmojiOn-prem
Web & CMS Plugins / forum-wiki

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
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References

https://github.com/NodeBB/nodebb-plugin-emoji
github.com
https://nodebb.org/
nodebb.org
https://www.exploit-db.com/exploits/49813
exploit-db.com
and 1 more references View all →

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