CVE-2023-32692: CodeIgniter is a PHP full-stack web framework

Q: How do I fix CVE-2023-32692?

codeigniter: upgrade to 4.3.5. Exact commands for each OS are on this page.

Q: Is CVE-2023-32692 being exploited?

CVE-2023-32692 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-2023-32692 affect?

CVE-2023-32692 affects codeigniter. Severity is critical (CVSS 9.8). CodeIgniter is a PHP full-stack web framework. This vulnerability allows attackers to execute arbitrary code when you use Validation Placeholders. The vulnerability exists in the Validation library, and validation methods in the controller

Q: How urgent is CVE-2023-32692?

Priority 56/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2023-32692 is a critical-severity flaw (CVSS 9.8) 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. This vulnerability allows attackers to execute arbitrary code when you use Validation Placeholders. The vulnerability exists in the Validation library, and validation methods in the controller and in-model validation are also vulnerable because they use the Validation library internally. This issue is patched in version 4.3.5.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-94
Published	2023-05-30
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

2023-05-30 04:15 UTCPublished CVE record published
2026-06-17 05:59 UTCUpdated Record last modified

codeigniter codeigniter UPGRADE

Affected: < 4.3.5

Fixed in: 4.3.5

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 4.3.5 (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-2023-32692?

codeigniter: upgrade to 4.3.5. Exact commands for each OS are on this page.

Is CVE-2023-32692 being exploited?

CVE-2023-32692 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-2023-32692 affect?

CVE-2023-32692 affects codeigniter. Severity is critical (CVSS 9.8). CodeIgniter is a PHP full-stack web framework. This vulnerability allows attackers to execute arbitrary code when you use Validation Placeholders. The vulnerability exists in the Validation library, and validation methods in the controller

How urgent is CVE-2023-32692?

Priority 56/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

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References

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