CVE-2026-32257
Winter is a free, open-source content management system (CMS) based on the Laravel PHP framework. Prior to 1.2.13, custom CSS supplied through the Brand Settings Styles field by a backend user with the backend.manage_branding permission is compiled by the LESS parser and rendered without sanitization on every backend page, allowing stored cross-site scripting against backend users. This issue is fixed in version 1.2.13.
- Published Aug 26, 2026
- CVSS 8.1 high
- 0.4% chance of exploitation in the next 30 days (EPSS)
- A fix is available