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    CVE-2026-18478

    Magnolia CMS is vulnerable to Stored XSS in import functionality. An attacker with editor privileges can inject arbitrary HTML and JS into the name of uploaded image, which will be rendered/executed when opening uploaded image. The issue was fixed in version 6.3.10

    Published:Aug 10, 2026
    Last Modified:Aug 11, 2026
    EPS:Aug 10, 2026
    EPSS Score:0.00281
    CVSS Score:5.1

    Affected Products

    Vendor
    Magnolia-cms
    Product
    Magnolia Cms

    Exploits

    No exploit reference

    Related CVEs

    CVE-2022-33098 (CVSS 6.1) — Magnolia CMS v6.2.19 was discovered to contain a cross-site scripting (XSS) vulnerability via the Edit Contact…
    CVE-2021-46366 (CVSS 8.8) — An issue in the Login page of Magnolia CMS v6.2.3 and below allows attackers to exploit both an Open Redirect …
    CVE-2021-46365 (CVSS 7.8) — An issue in the Export function of Magnolia v6.2.3 and below allows attackers to execute XML External Entity a…
    CVE-2021-46364 (CVSS 7.8) — A vulnerability in the Snake YAML parser of Magnolia CMS v6.2.3 and below allows attackers to execute arbitrar…
    CVE-2021-46363 (CVSS 7.8) — An issue in the Export function of Magnolia v6.2.3 and below allows attackers to perform Formula Injection att…
    CVE-2021-46362 (CVSS 9.8) — A Server-Side Template Injection (SSTI) vulnerability in the Registration and Forgotten Password forms of Magn…
    CVE-2021-46361 (CVSS 9.8) — An issue in the Freemark Filter of Magnolia CMS v6.2.11 and below allows attackers to bypass security restrict…
    CVE-2021-25894 (CVSS 6.1) — Magnolia CMS from 6.1.3 to 6.2.3 contains a stored cross-site scripting (XSS) vulnerability in the /magnoliaPu…
    CVE-2021-25893 (CVSS 5.4) — Magnolia CMS from 6.1.3 to 6.2.3 contains a stored cross-site scripting (XSS) vulnerability in the setText par…
    CVE-2013-4759 (CVSS 4.3) — Multiple cross-site scripting (XSS) vulnerabilities in the Magnolia Form module 1.x before 1.4.7 and 2.x befor…

    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