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    CVE-2017-9442

    BigTree CMS through 4.2.18 allows remote authenticated users to execute arbitrary code by uploading a crafted package containing a PHP web shell, related to extraction of a ZIP archive to filename patterns such as cache/package/xxx/yyy.php. This issue exists in core\admin\modules\developer\extensions\install\unpack.php and core\admin\modules\developer\packages\install\unpack.php. NOTE: the vendor states "You must implicitly trust any package or extension you install as they all have the ability to write PHP files.

    Published:Jun 5, 2017
    Last Modified:Apr 20, 2025
    EPS:Jun 5, 2017
    EPSS Score:0.02261
    CVSS Score:8.8

    Affected Products

    Vendor
    Bigtreecms
    Product
    Bigtree Cms

    Exploits

    https://github.com/bigtreecms/BigTree-CMS/issues/291https://github.com/bigtreecms/BigTree-CMS/issues/291

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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