CVE-2021-47746: Nodebb Plugin Emoji

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

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 products

  • Nodebb Nodebb Plugin Emoji: version 3.2.1 only

Published 2026-01-21. Last modified 2026-06-17.