Arbitrary File Upload Affecting ci4-cms-erp/ci4ms package, versions <0.28.5.0
Threat Intelligence
Exploit Maturity
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
Proof of Concept
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about Arbitrary File Upload vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-PHP-CI4CMSERPCI4MS-15182773
- published4 Feb 2026
- disclosed2 Feb 2026
- creditLars van Mil
Introduced: 2 Feb 2026
CVE NOT AVAILABLE CWE-434 (opens in a new tab)Common Weakness Enumeration (CWE) is a category system for software weaknesses
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade ci4-cms-erp/ci4ms to version 0.28.5.0 or higher.
Overview
ci4-cms-erp/ci4ms is a composer create-project ci4-cms-erp/ci4ms
Affected versions of this package are vulnerable to Arbitrary File Upload via the createFile and save endpoints. An attacker can execute arbitrary code on the server by creating a file with a dangerous extension and injecting malicious content, which is then accessible and executable through a web request.