Wintercms

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    Products: 2
    Vulnerabilities: 19
    Known Exploited: 0
    1
    Critical Level Threats
    7
    High Level Threats
    5
    Medium Level Threats
    5
    Low Level Threats

    Vulnerabilities

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    Vulnerabilities

    CVE-2026-63179

    Winter: Local File Inclusion through @import directives in LESS compilation of backend customizable stylesheets and theme assets

    Last Modified: Aug 26, 2026
    Published: Aug 26, 2026

    CVE-2026-54256

    Winter: Authenticated IDOR in backend FileUpload widget allows cross-user access to attachment metadata

    Last Modified: Aug 27, 2026
    Published: Aug 26, 2026

    CVE-2026-32639

    Winter: Broken access control in `Cms\Controllers\Index` allows cross-template actions and unauthorized asset uploads

    Last Modified: Aug 29, 2026
    Published: Aug 26, 2026

    CVE-2026-32593

    Winter: SQL Injection in Backend Filter Widget numberrange Scope via numbersFromAjax

    Last Modified: Aug 26, 2026
    Published: Aug 26, 2026

    CVE-2026-32258

    Winter: Stored XSS through Editor Settings custom styles

    Last Modified: Aug 26, 2026
    Published: Aug 26, 2026
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    Wintercms Vulnerabilities & Security CVEs | CVE-DB