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CRITICAL

CVE-2023-43187

CVSS v3

9.8

CRITICAL

EPSS Score

47.4 %

exploit probability, as of 2026-10-05

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

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.

Technical details

Published
2023-09-27

Frequently asked questions

What is CVE-2023-43187?

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.

Is CVE-2023-43187 actively exploited?

Active exploitation of CVE-2023-43187 has not been confirmed. Its EPSS score was 47.4% on 2026-10-05, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-43187?

CVE-2023-43187 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2023-43187 affecting your environment?

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