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    CVE-2020-37103

    DotNetNuke 9.5 contains a persistent cross-site scripting vulnerability that allows normal users to upload malicious XML files with executable scripts through journal tools. Attackers can upload XML files with XHTML namespace scripts to execute arbitrary JavaScript in users' browsers, potentially bypassing CSRF protections and performing more damaging attacks.

    Published:Feb 3, 2026
    Last Modified:Mar 5, 2026
    EPS:Feb 3, 2026
    EPSS Score:0.00046
    CVSS Score:6.4

    Affected Products

    Vendor
    Dnnsoftware
    Product
    Dotnetnuke

    Exploits

    https://www.exploit-db.com/exploits/48124

    Related CVEs

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    CVE-2026-40306 (CVSS 6.9) — DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. …
    CVE-2026-40305 (CVSS 4.3) — DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. …
    CVE-2026-24838 (CVSS 9.1) — DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. …
    CVE-2026-24837 (CVSS 7.6) — DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. …
    CVE-2026-24836 (CVSS 7.6) — DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. …
    CVE-2026-24833 (CVSS 7.6) — DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. …
    CVE-2026-24784 (CVSS 6.8) — DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. …
    CVE-2025-64095 (CVSS 10) — DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. …
    CVE-2025-64094 (CVSS 6.4) — DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. …

    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