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    CVE-2026-88857

    Joomla Extension - OrdaSoft.com - Authenticated, Privileged Remote Code Execution in OrdaSoft Joomla Gallery extension for Joomla < 6.2.7 - The extensions saveWatermark() copied an uploaded file into a web-accessible directory using the client-supplied filename exactly as sent, with no extension check, no content check, and no filename sanitisation of any kind. An authenticated core.manage user could upload a .php file disguised with an image Content-Type header and execute it directly by requesting the resulting path.

    Published:Sep 20, 2026
    Last Modified:Sep 21, 2026
    EPS:Sep 20, 2026
    EPSS Score:0.00467
    CVSS Score:9.4

    Affected Products

    Vendor
    Ordasoft.com
    Product
    Ordasoft Joomla Gallery Extension For Joomla
    Vendor
    Ordasoft.com
    Product
    Ordasoft Joomla Gallery Free Extension For Joomla

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

    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