Arbitrary Code Injection

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...

Duplicate Advisory: Craft CMS: RCE via missing cleanseConfig in FieldsController::actionRenderCardPreview

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-86vw-x4ww-x467. This link is maintained to preserve external references. Original Description Craft CMS composer package craftcms/cms versions = 5.5.0 and = 5.9.13 contain a remote code execution vulnerability i...

CVE-2026-56382: Improper Control of Generation of Code

Craft CMS composer package craftcms/cms versions = 5.5.0 and = 5.9.13 contain a remote code execution vulnerability in the FieldsController::actionRenderCardPreview method, which passes the fieldLayoutConfig POST parameter directly to Fields::createLayout without calling Component::cleanseConfig...