What is CVE-2023-46240?

CVE-2023-46240 is a high-severity vulnerability in Codeigniter, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 7.5/10. Published 2023-10-31.

How severe is CVE-2023-46240?

High severity. CVSS v3 base score is 7.5 out of 10.

Information disclosure in Codeigniter

CVE-2023-46240

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`.

Published 2023-10-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (47.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Codeigniter
Codeigniter4 — versions < 4.4.3

Weakness classification (CWE)

CWE-209 — Generation of Error Message Containing Sensitive Information

References

github.com/codeigniter4/CodeIgniter4/security/advisories/GHSA-hwxf-qxj7-7rfj (Vendor Advisory)
github.com/codeigniter4/CodeIgniter4/commit/423569fc31e29f51635a2e59c89770333f0… (Patch)
codeigniter4.github.io/userguide/general/errors.html (Product)

Frequently asked questions

What is CVE-2023-46240?: CVE-2023-46240 is a high-severity vulnerability in Codeigniter, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 7.5/10. Published 2023-10-31.
How severe is CVE-2023-46240?: High severity. CVSS v3 base score is 7.5 out of 10.