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CVE-2021-47746
January 21, 2026
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.
Affected Packages
https://github.com/NodeBB/nodebb-plugin-emoji.git (GITHUB):
Affected version(s) >=v0.1.1 <v3.5.1
Fix Suggestion:
Update to version v3.5.1
nodebb-plugin-emoji (NPM):
Affected version(s) >=0.1.1 <3.5.1
Fix Suggestion:
Update to version 3.5.1
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CVSS v4
Base Score:
8.6
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
External Control of File Name or Path
EPSS
Base Score:
0.15