CVE-2022-23556

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

CodeIgniter is a PHP full-stack web framework. This vulnerability may allow attackers to spoof their IP address when the server is behind a reverse proxy. This issue has been patched, please upgrade to version 4.2.11 or later, and configure `Config\App::$proxyIPs`. As a workaround, do not use `$request->getIPAddress()`.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-345

Affected software

VendorProductVersions
codeigniter4CodeIgniter4< 4.2.11

References

Timeline

Published
Dec 22, 2022
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2022-23556: High severity, CVSS 7.5 | Vulnix