CVE-2022-23556
HIGHCodeIgniter 4.0.0-4.2.10 - IP Address Spoofing via Reverse Proxy Misconfiguration
Title source: llmDescription
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()`.
References (2)
Core 2
Core References
Exploit, Third Party Advisory x_refsource_confirm
https://github.com/codeigniter4/CodeIgniter4/security/advisories/GHSA-ghw3-5qvm-3mqc
Patch, Third Party Advisory x_refsource_misc
https://github.com/codeigniter4/CodeIgniter4/commit/5ca8c99b2db09a2a08a013836628028ddc984659
Scores
CVSS v3
7.0
EPSS
0.0037
EPSS Percentile
28.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-345
Status
published
Products (2)
codeigniter/codeigniter
4.0.0 - 4.2.11
codeigniter4/framework
0 - 4.2.11Packagist
Published
Dec 22, 2022
Tracked Since
Feb 18, 2026