CVE-2026-32257 — Winter: Stored XSS through Brand Settings custom styles
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…
Published: 2026-08-26 · CVSS: 8.1 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7