CVE-2021-47746

HIGH

7.5

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published1/21/2026

Last Modified1/26/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-73

References

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)

IOC Correlations

No correlations recorded

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