CVE-2023-32692
Remote Code Execution Vulnerability in Validation Placeholders
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
9.8
Remote Code Execution Vulnerability in Validation Placeholders
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.
- Record
CVE-2023-32692- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
EUVDEUVD-2023-1576
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 and in-model validation are also vulnerable because they use the Validation library internally. This issue is patched in version 4.3.5.
- Record
EUVD-2023-1576- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-m6m8-6gq8-c9fj
9.8
Remote Code Execution Vulnerability in Validation Placeholders in CodeIgniter4
Impact
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.
Patches
Upgrade to v4.3.5 or later.
Workarounds
Setting validation rules with an array.
E.g.:
$validation->setRules([
'email' => ['required', 'valid_email, 'is_unique[users.email,id,{id}]'],
]);
References
- https://codeigniter4.github.io/userguide/libraries/validation.html#validation-placeholders
- https://codeigniter4.github.io/userguide/incoming/controllers.html#validating-data
- https://codeigniter4.github.io/userguide/models/model.html#in-model-validation
For more information
If you have any questions or comments about this advisory:
- Open an issue in codeigniter4/CodeIgniter4
- Email us at SECURITY.md
- Record
GHSA-m6m8-6gq8-c9fj- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
NVD
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 and in-model validation are also vulnerable because they use the Validation library internally. This issue is patched in version 4.3.5.
- Record
CVE-2023-32692- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
OSV
9.8
Remote Code Execution Vulnerability in Validation Placeholders
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.
- Record
CVE-2023-32692- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
OSVGHSA-m6m8-6gq8-c9fj
9.8
Remote Code Execution Vulnerability in Validation Placeholders in CodeIgniter4
Impact
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.
Patches
Upgrade to v4.3.5 or later.
Workarounds
Setting validation rules with an array.
E.g.:
$validation->setRules([
'email' => ['required', 'valid_email, 'is_unique[users.email,id,{id}]'],
]);
References
- https://codeigniter4.github.io/userguide/libraries/validation.html#validation-placeholders
- https://codeigniter4.github.io/userguide/incoming/controllers.html#validating-data
- https://codeigniter4.github.io/userguide/models/model.html#in-model-validation
For more information
If you have any questions or comments about this advisory:
- Open an issue in codeigniter4/CodeIgniter4
- Email us at SECURITY.md
- Record
GHSA-m6m8-6gq8-c9fj- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
OSVBIT-codeigniter-2023-32692 No score
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.
- Record
BIT-codeigniter-2023-32692- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
codeigniter4/frameworkPackagist |
before 4.3.5 | 4.3.5 |
codeigniterBitnami |
before 4.3.5 | 4.3.5 |
codeigniter4/frameworkPackagist |
before 4.3.5, plus listed versions 4.0.04.0.0-rc.4v4.0.0-alpha.3v4.0.0-alpha.4v4.0.0-alpha.5 Show 41 moreShow lessv4.0.0-beta.1v4.0.0-beta.2v4.0.0-beta.3v4.0.0-beta.4v4.0.0-rc.1v4.0.0-rc.2v4.0.0-rc.2.1v4.0.0-rc.3v4.0.1v4.0.2v4.0.3v4.0.4v4.0.5v4.1.0v4.1.1v4.1.2v4.1.3v4.1.4v4.1.5v4.1.6v4.1.7v4.1.8v4.1.9v4.2.0v4.2.1v4.2.10v4.2.11v4.2.12v4.2.2v4.2.3v4.2.4v4.2.5v4.2.6v4.2.7v4.2.8v4.2.9v4.3.0v4.3.1v4.3.2v4.3.3v4.3.4 |
4.3.5 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | mogwailabs/CVE-2023-32692-CodeIgniter4 | 2026-05-19 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-32692 is a critical vulnerability (CVSS 9.8) in Codeigniter, published May 22, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.13%, the 66th percentile. Fixed in codeigniter4/framework 4.3.5.
References
github.com/codeigniter4/CodeIgniter4/security/advisories/GHSA-m6m8-6gq8-c9fj
github.com/codeigniter4/CodeIgniter4/blob/develop/CHANGELOG.md
github.com/codeigniter4/CodeIgniter4/commit/6af677177fa1d9ad62f7a793bc96cba3068632ba
nvd.nist.gov/vuln/detail/CVE-2023-32692
github.com/advisories/GHSA-m6m8-6gq8-c9fj
github.com/CVEProject/cvelistV5/tree/main/cves/2023/32xxx/CVE-2023-32692.json
github.com/codeigniter4/CodeIgniter4