High severity8.1NVD Advisory· Published Aug 26, 2026· Updated Sep 9, 2026
CVE-2026-32258
CVE-2026-32258
Description
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.manage_editor permission can store custom Markup Styles that are compiled by the LESS parser and rendered without sanitization on every backend page, allowing stored cross-site scripting. This issue is fixed in version 1.2.13.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
winter/wn-backend-modulePackagist | >= 1.2.10, < 1.2.13 | 1.2.13 |
Affected products
1Patches
Vulnerability mechanics
References
3News mentions
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