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    CVE-2026-32258

    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.

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

    Affected Products

    Vendor
    Wintercms
    Product
    Winter

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-32639 (CVSS 6.8) — Winter CMS is a content management system built on the Laravel PHP framework. In versions up to and including …
    CVE-2026-32593 (CVSS 5.9) — Winter CMS is a content management system built on the Laravel PHP framework. In versions up to and including …
    CVE-2026-32257 (CVSS 8.1) — Winter is a free, open-source content management system (CMS) based on the Laravel PHP framework. Prior to 1.2…
    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…
    CVE-2026-79774 (CVSS 9.3) — Winter CMS versions before 1.2.13 contain an incomplete fix for a Twig sandbox escape vulnerability in System\…
    CVE-2026-79773 (CVSS 6.9) — Winter CMS before 1.2.13 contains a local file inclusion vulnerability in the JavascriptImporter filter that a…
    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