EUVD-2026-66631

Winter CMS is a content management system built on the Laravel PHP framework. In versions prior to 1.2.13, the backend did not validate the handler name submitted through the form postback handler POST field, allowing an authenticated backend user to invoke arbitrary controller methods, including...

PT-2026-76556

Name of the Vulnerable Software and Affected Versions Winter CMS versions prior to 1.2.13 Description An issue exists where the backend fails to validate the handler name submitted via the handler POST field during form postbacks. While AJAX requests are validated against the onA-Zw+ pattern, the...