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    CVE-2025-55208

    Chamilo is a learning management system. Versions prior to 1.11.34 have a Stored XSS through insecure file uploads in `Social Networks`. Through it, a low-privilege user can execute arbitrary code in the admin user inbox, allowing takeover of the admin account. Version 1.11.34 fixes the issue.

    Published:Mar 5, 2026
    Last Modified:Mar 9, 2026
    EPS:Mar 5, 2026
    EPSS Score:0.00047
    CVSS Score:9.1

    Affected Products

    Vendor
    Chamilo
    Product
    Chamilo Lms

    Exploits

    No exploit reference

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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