VULNERABILITY INTELLIGENCE

CVE-2022-23556

CVSS score7 HIGH
EPSS probability0.40%
CISA KEVNot currently listed
Published2022-12-22
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L

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()`.

Weakness classification

  • security-advisories@github.com: CWE-345

Primary references