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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-43187
- 2026-10-03 Alias added: GHSA-2h59-fhpr-vfx4
References
More Nodebb vulnerabilities
- 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
Sources
- CVE-2023-43187 · CVE Program
- CVE-2023-43187 · NVD
- FIRST EPSS
- GHSA-2h59-fhpr-vfx4 · GitHub Advisory Database · CC BY 4.0
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