Sign in
Deutsch English Español Polski
High

CodeIgniter4 allows spoofing of IP address when using proxy

  • Disclosed: 22.12.2022
  • Updated: 11.10.2026 10:22

Impact

This vulnerability may allow attackers to spoof their IP address when your server is behind a reverse proxy.

Patches

Upgrade to v4.2.11 or later, and configure Config\App::$proxyIPs.

Workarounds

Do not use $request->getIPAddress().

References

For more information

If you have any questions or comments about this advisory:

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Composer package codeigniter4/framework < 4.2.11 4.2.11

References

CVSS score 7/10
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L
Weakness (CWE)
CWE-345
Platform
Composer
Package
codeigniter4/framework
Disclosed
22.12.2022
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-ghw3-5qvm-3mqc - CC BY 4.0

Vulnerability history: codeigniter4/framework

All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (19) in the archive
Total entries
19
First → latest
01.2022 08.2026
Without a fix
1
Exploited in attacks
0

Severity breakdown

  • Critical 6
  • High 8
  • Medium 4
  • Low 1

Disclosures per year

Severity:
  1. CodeIgniter: Uploaded file extension validation bypass in `is_image` and `mime_in` rules
    Critical · 9.8 CVE-2026-63223 < 4.7.4 4.7.4
  2. CodeIgniter: Path traversal in UploadedFile::move() when using client-provided filenames
    High · 7.5 CVE-2026-63222 < 4.7.4 4.7.4
  3. CodeIgniter: SQL injection in Query Builder deleteBatch() when used with where() conditions
    Critical · 9.4 CVE-2026-63221 >= 4.3.0, < 4.7.4 4.7.4
  4. CodeIgniter4 has a validation bypass when uploading file extensions via `ext_in` rule
    Critical · 9.8 CVE-2026-48062 < 4.7.3 4.7.3
  5. CodeIgniter4's ImageMagick Handler has Command Injection Vulnerability
    Critical · 9.8 CVE-2025-54418 < 4.6.2 4.6.2
  6. CodeIgniter4 DoS Vulnerability
    High · 7.5 CVE-2024-29904 < 4.4.7 4.4.7
  7. CodeIgniter4 vulnerable to information disclosure when detailed error report is displayed in production environment
    High · 7.5 CVE-2023-46240 < 4.4.3 4.4.3
  8. Remote Code Execution Vulnerability in Validation Placeholders in CodeIgniter4
    Critical · 9.8 CVE-2023-32692 < 4.3.5 4.3.5
  9. CodeIgniter4 Potential Session Handlers Vulnerability
    High · 8.6 CVE-2022-46170 < 4.2.11 4.2.11
  10. CodeIgniter4 allows spoofing of IP address when using proxy this entry
    High · 7.0 CVE-2022-23556 < 4.2.11 4.2.11
  11. CodeIgniter Improper Privilege Management
    High · 8.8 CVE-2020-10793 <= 4.0.0 no fix
  12. CodeIgniter HTTP Header Injection
    High · 7.5 CVE-2017-1000247 >= 3.1.3, < 3.1.4 3.1.4
  13. Remote CLI Command Execution Vulnerability in CodeIgniter4
    Critical · 9.4 CVE-2022-24711 < 4.1.9 4.1.9
  14. Deserialization of Untrusted Data in Codeigniter4
    High · 7.7 CVE-2022-21647 < 4.1.6 4.1.6

Know which vulnerabilities affect your application

With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.

Connect your application
DockRay newsletter

Application security in your inbox

Important vulnerabilities, actionable guidance and practical advice for your applications. Choose your technologies and follow what matters to your project.

  • A daily digest of new vulnerabilities, critical ones included.
  • Notifications about important updates.
  • Practical advice on application security and monitoring.

Leave empty to receive updates for every technology.

Privacy policy

Free to subscribe. Unsubscribe with one click in any email.