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    CVE-2025-54856

    Movable Type contains a stored cross-site scripting vulnerability in Edit ContentData page. If crafted input is stored by an attacker with "ContentType Management" privilege, an arbitrary script may be executed on the web browser of the user who accesses Edit ContentData page.

    Published:Oct 23, 2025
    Last Modified:Apr 15, 2026
    EPS:Oct 23, 2025
    EPSS Score:0.00023
    CVSS Score:4.8

    Affected Products

    Vendor
    Six Apart
    Product
    Movable Type

    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