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TI-2023-23124 Aliases CVE-2023-43187GHSA-2h59-fhpr-vfx4

A remote code execution (RCE) vulnerability in the xmlrpc.php endpoint of NodeBB Inc…

Priority HIGH 82CWE-91Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A remote code execution (RCE) vulnerability in the xmlrpc.php endpoint of NodeBB Inc NodeBB forum software prior to v1.18.6 allows attackers to execute arbitrary code via crafted XML-RPC requests.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.47391 98th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:nodebb:nodebb:*:*:*:*:*:*:*:*before 1.18.6VulnerableNodeBB
  • cpe:2.3:a:nodebb:nodebb:*:*:*:*:*:*:*:* Versions before 1.18.6 Vulnerable ·NodeBB

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-43187
  2. 2026-10-03 Alias added: GHSA-2h59-fhpr-vfx4

References

  • 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
  • TI-2025-21119 Cross-Site Scripting (XSS) vulnerability in NodeBB v4.0.4 and before allows remote… CVSS 3.1MEDIUM 6.1
See all 19 →

Sources