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    CVE-2021-25978

    Apostrophe CMS versions between 2.63.0 to 3.3.1 are vulnerable to Stored XSS where an editor uploads an SVG file that contains malicious JavaScript onto the Images module, which triggers XSS once viewed.

    Published:Nov 7, 2021
    Last Modified:Apr 30, 2025
    EPS:Nov 7, 2021
    EPSS Score:0.00206
    CVSS Score:5.4

    Affected Products

    Vendor
    Apostrophecms
    Product
    Apostrophecms

    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