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    CVE-2025-66522

    A stored cross-site scripting (XSS) vulnerability exists in the Digital IDs functionality of the Foxit PDF Editor Cloud (pdfonline.foxit.com). The application does not properly sanitize or encode the Common Name field of Digital IDs before inserting user-supplied content into the DOM. As a result, embedded HTML or JavaScript may execute whenever the Digital IDs dialog is accessed or when the affected PDF is loaded.

    Published:Dec 19, 2025
    Last Modified:Dec 23, 2025
    EPS:Dec 19, 2025
    EPSS Score:0.00032
    CVSS Score:6.3

    Affected Products

    Vendor
    Foxit
    Product
    Pdf Editor Cloud
    Vendor
    Foxitsoftware
    Product
    Pdfonline

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-1591 (CVSS 6.3) — Foxit PDF Editor Cloud (pdfonline) contains a stored cross-site scripting vulnerability in the file upload fea…
    CVE-2025-66521 (CVSS 6.3) — A stored cross-site scripting (XSS) vulnerability exists in pdfonline.foxit.com within the Trusted Certificate…
    CVE-2025-66520 (CVSS 6.3) — A stored cross-site scripting (XSS) vulnerability exists in the Portfolio feature of the Foxit PDF Editor clou…
    CVE-2025-66519 (CVSS 6.3) — A stored cross-site scripting (XSS) vulnerability exists in pdfonline.foxit.com within the Layer Import functi…
    CVE-2025-66502 (CVSS 6.3) — A stored cross-site scripting (XSS) vulnerability exists in pdfonline.foxit.com within the Page Templates feat…
    CVE-2025-66501 (CVSS 6.3) — A stored cross-site scripting (XSS) vulnerability exists in pdfonline.foxit.com within the Predefined Text fea…
    CVE-2025-66500 (CVSS 6.3) — A stored cross-site scripting (XSS) vulnerability exists in webplugins.foxit.com. A postMessage handler fails …

    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