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    CVE-2026-5203

    A vulnerability was found in CMS Made Simple up to 2.2.22. This impacts the function _copyFilesToFolder in the library modules/UserGuide/lib/class.UserGuideImporterExporter.php of the component UserGuide Module XML Import. The manipulation results in path traversal. It is possible to launch the attack remotely. The exploit has been made public and could be used. This issue has been reported early to the project. They confirmed, that "this has already been discovered and fixed for the next release."

    Published:Mar 31, 2026
    Last Modified:Apr 24, 2026
    EPS:Mar 31, 2026
    EPSS Score:0.00052
    CVSS Score:4.7

    Affected Products

    Vendor
    Cms Made Simple
    Product
    Cms Made Simple

    Exploits

    https://github.com/CaginKyr/CVE-2026-5203

    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