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Vulnerabilities ›

CVE-2021-47746

High

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 admi

CWE-73 — Weakness Type

                    Published: Jan 21, 2026                      ·  Modified: Feb 28, 2026                      ·  Source: NVD                

CVSS v3

7.5

🔗 NVD Official

📄 Description (English)

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.

🤖

Queued for AI Analysis

This CVE will be auto-analyzed on the next cron run.

🔗 References & Sources 4

https://github.com/NodeBB/nodebb-plugin-emoji

disclosure@vulncheck.com

https://nodebb.org/

disclosure@vulncheck.com

https://www.exploit-db.com/exploits/49813

disclosure@vulncheck.com

https://www.vulncheck.com/advisories/nodebb-plugin-emoji-arbitrary-file-write

disclosure@vulncheck.com

📊 CVSS Score

7.5

/ 10.0 — High

📊 CVSS Vector

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

Attack VectorN — None / Network

Attack ComplexityL — Low / Local

Privileges RequiredN — None / Network

User InteractionN — None / Network

ScopeU — Unchanged

ConfidentialityH — High

IntegrityN — None / Network

AvailabilityN — None / Network

📋 Quick Facts

Severity High

CVSS Score7.5

CWECWE-73

EPSS0.16%

Exploit No

Patch ✓ Yes

Published 2026-01-21

Source Feed nvd

Views 1

🏷️ Tags

CWE-73

⚡ Actions

🔗 NVD Official Page ⚡ Exploit-DB Search 🐙 GitHub PoC Search 🎯 MITRE ATT&CK 📊 CVE Details

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