High severity8.1NVD Advisory· Published Aug 26, 2026· Updated Sep 9, 2026
CVE-2026-32257
CVE-2026-32257
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
winter/wn-backend-modulePackagist | < 1.2.13 | 1.2.13 |
Affected products
1Patches
Vulnerability mechanics
References
3News mentions
0No linked articles in our index yet.