ReviewHigh
CVE-2026-35445
wintercms winter
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 protected, private, and action-prefixed ones. While AJAX requests validate that handler names match the on[A-Z][\w+]* pattern, the postback path passed the submitted _handler value straight to the handler dispatcher with no such check, so any controller that exposes a public action or conditionall...
- CVSS
- 7.1
- EPSS
- - - percentile
- CISA KEV
- Not listed
- Published
- 2026.08.27