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    CVE-2021-26642

    When uploading an image file to a bulletin board developed with XpressEngine, a vulnerability in which an arbitrary file can be uploaded due to insufficient verification of the file. A remote attacker can use this vulnerability to execute arbitrary code on the server where the bulletin board is running.

    Published:Jan 20, 2023
    Last Modified:Apr 3, 2025
    EPS:Jan 20, 2023
    EPSS Score:0.02893
    CVSS Score:8.8

    Affected Products

    Vendor
    Microsoft
    Product
    Windows
    Vendor
    Xpressengine
    Product
    Xpressengine

    Exploits

    No exploit reference

    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