CVE-2021-47746

HIGH 7.5

NodeBB Plugin Emoji 3.2.1 - Arbitrary File Write

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-73
Vendor	nodebb
Product	nodebb plugin emoji
Published	Jan 21, 2026
Last Updated	Mar 5, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

NodeBB / NodeBB Plugin Emoji

3.2.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/49813 nodebb.org: https://nodebb.org/ github.com: https://github.com/NodeBB/nodebb-plugin-emoji vulncheck.com: https://www.vulncheck.com/advisories/nodebb-plugin-emoji-arbitrary-file-write

Credits

1F98D