CVE-2023-46240: CodeIgniter is a PHP full-stack web framework

Q: How do I fix CVE-2023-46240?

codeigniter: upgrade to 4.4.3. Exact commands for each OS are on this page.

Q: Is CVE-2023-46240 being exploited?

CVE-2023-46240 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-46240 affect?

CVE-2023-46240 affects codeigniter. Severity is high (CVSS 7.5). 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 le

Q: How urgent is CVE-2023-46240?

Priority 45/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2023-46240 is a high-severity flaw (CVSS 7.5) affecting codeigniter. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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`.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-209
Published	2023-10-31
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: codeigniter

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-10-31 16:15 UTCPublished CVE record published
2026-06-17 06:30 UTCUpdated Record last modified

codeigniter codeigniter UPGRADE

Affected: < 4.4.3

Fixed in: 4.4.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy codeigniter || rpm -q codeigniter || codeigniter --version

2. UPGRADE to 4.4.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade codeigniter

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade codeigniter

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-46240?

codeigniter: upgrade to 4.4.3. Exact commands for each OS are on this page.

Is CVE-2023-46240 being exploited?

CVE-2023-46240 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-46240 affect?

CVE-2023-46240 affects codeigniter. Severity is high (CVSS 7.5). 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 le

How urgent is CVE-2023-46240?

Priority 45/100. High severity; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

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References

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