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    CVE-2017-14251

    Unrestricted File Upload vulnerability in the fileDenyPattern in sysext/core/Classes/Core/SystemEnvironmentBuilder.php in TYPO3 7.6.0 to 7.6.21 and 8.0.0 to 8.7.4 allows remote authenticated users to upload files with a .pht extension and consequently execute arbitrary PHP code.

    Published:Sep 11, 2017
    Last Modified:Apr 20, 2025
    EPS:Sep 11, 2017
    EPSS Score:0.03536
    CVSS Score:8.8

    Affected Products

    Vendor
    Typo3
    Product
    Typo3

    Exploits

    https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2017-007/https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2017-007/

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

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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