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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 47.4%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 47.39% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-91
- Affected
- nodebb/nodebb
- Source
- cve@mitre.org
EPSS moved from 46.9% on 28 September 2026 to 47.4% on 3 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- https://github.com/jagat-singh-chaudhary/CVE/blob/main/CVE-2023-43187Exploit, Third Party Advisory
- https://github.com/jagat-singh-chaudhary/CVE/blob/main/CVE-2023-43187Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.