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    CVE-2026-32257

    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.

    Published:Aug 26, 2026
    Last Modified:Aug 27, 2026
    EPS:Aug 26, 2026
    EPSS Score:0.00215
    CVSS Score:8.1

    Affected Products

    Vendor
    Wintercms
    Product
    Winter

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-32258 (CVSS 8.1) — Winter is a free, open-source content management system (CMS) based on the Laravel PHP framework. From 1.2.10 …
    CVE-2026-35445 (CVSS 7.1) — Winter CMS is a content management system built on the Laravel PHP framework. In versions prior to 1.2.13, the…
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    CVE-2026-27591 (CVSS 9.9) — Winter is a free, open-source content management system (CMS) based on the Laravel PHP framework. Prior to 1.0…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High