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CVE-2026-32258

CVE-2026-32258 · Winter: Stored XSS through Editor Settings custom styles

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 8.1 · High · EPSS 0.4% · Fix available

Published
Updated

Stack: php

Affected products and versions

  • winter

    Versions
    • >= 1.2.10, < 1.2.13: Affected

    No fix published

  • winter/wn-backend-module Packagist

    Versions
    • v1.2.10
    • v1.2.11
    • v1.2.12
    Affected ranges
    • ECOSYSTEM: ≥ 1.2.10, < 1.2.13

    Update to 1.2.13

Original sources

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