Arbitrary Code Injection Affecting craftcms/cms package, versions >=5.5.0, <5.9.14
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- published9 Jul 2026
- disclosed9 Jul 2026
- creditUnknown
Introduced: 9 Jul 2026
New CVE NOT AVAILABLE CWE-94 (opens in a new tab)Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade craftcms/cms to version 5.9.14 or higher.
Overview
craftcms/cms is a content management system.
Affected versions of this package are vulnerable to Arbitrary Code Injection in the actionRenderCardPreview process. An attacker can execute arbitrary PHP code and disclose sensitive information by injecting malicious event handlers into the fieldLayoutConfig parameter, which is processed without proper sanitization.