Read the docs
TI-2021-22363 Aliases CVE-2021-47746GHSA-g674-4q3h-w499

NodeBB Plugin Emoji 3.2.1 - Arbitrary File Write

Priority HIGH 76CWE-73Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00737 54th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
NodeBBNodeBB Plugin Emoji3.2.1—No fix listedCNA
  • NodeBB Plugin Emoji VendorNodeBB Affected 3.2.1 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-47746
  2. 2026-10-03 Alias added: GHSA-g674-4q3h-w499

References

Exploit 1

Other 2

  • TI-2023-23124 A remote code execution (RCE) vulnerability in the xmlrpc.php endpoint of NodeBB Inc… CVSS 3.1CRITICAL 9.8
  • TI-2022-22808 Account takeover via prototype vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2026-42173 NodeBB - ActivityPub Author Spoofing via Unvalidated attributedTo Mapped to Local User CVSS 4.0HIGH 8.7
  • TI-2025-32286 NodeBB v4.3.0 is vulnerable to SQL injection in its search-categories API endpoint… CVSS 3.1HIGH 8.6
  • TI-2023-14416 NodeBB Pre-Authentication Denial-of-Service CVSS 3.1HIGH 7.5
  • TI-2022-16499 Account takeover via SSO plugins in NodeBB CVSS 3.1HIGH 8.8
See all 23 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences