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

Impact Affected versions of Winter CMS did not validate the handler name submitted through the form postback mechanism handler POST field in the same way as AJAX requests X WINTER REQUEST HANDLER header. The AJAX path validates that handler names match the onA-Zw+ pattern, but the postback path...