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    CVE-2025-56526

    Cross site scripting (XSS) vulnerability in Kotaemon 0.11.0 allowing attackers to execute arbitrary code via a crafted PDF.

    Published:Nov 18, 2025
    Last Modified:Dec 2, 2025
    EPS:Nov 18, 2025
    EPSS Score:0.00039
    CVSS Score:6.1

    Affected Products

    Vendor
    Cinnamon
    Product
    Kotaemon

    Exploits

    https://github.com/HanTul/Kotaemon-CVE-2025-56526-56527-disclosurehttps://harvest-sink-590.notion.site/Stored-XSS-via-Unsanitized-PDF-Content-Rendering-and-Plaintext-Credential-Exposure-in-LocalStorage-236770c3fe1e80f6a1aef381fb1c8f73https://skinny-exoplanet-584.notion.site/Stored-XSS-via-Unsanitized-PDF-Content-Rendering-and-Plaintext-Credential-Exposure-in-LocalStorage-22cd1563bd3380458588eb49f361a363https://github.com/HanTul/Kotaemon-CVE-2025-56526-56527-disclosure

    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