XPath Injection in Nodebb

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.

EPSS: 0.454 (98.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-43187?
CVE-2023-43187 is a critical-severity vulnerability in Nodebb, classified under XML Injection (Blind XPath Injection). CVSS score: 9.8/10. Published 2023-09-27.
How severe is CVE-2023-43187?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-43187 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.