CVE-2026-32258

Winter is a free, open-source content management system CMS based on the Laravel PHP framework. From 1.2.10 through 1.2.12, authenticated backend users with the backend.manageeditor permission can store custom Markup Styles that are compiled by the LESS parser and rendered without sanitization on...

CVE-2026-32258: Improper Neutralization of Input During Web Page Generation

Winter is a free, open-source content management system CMS based on the Laravel PHP framework. From 1.2.10 through 1.2.12, authenticated backend users with the backend.manageeditor permission can store custom Markup Styles that are compiled by the LESS parser and rendered without sanitization on...

Winter: Stored XSS through Editor Settings custom styles

Impact Authenticated Backend Users with the backend.manageeditor "Manage editor settings" permission can provide custom styles through Settings → Editor Settings → Markup Styles that are compiled through the LESS CSS parser and rendered on every backend page. Previously, the compiled output was n...