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    CVE-2026-27147

    GetSimple CMS is a content management system. All versions of GetSimple CMS are vulnerable to XSS through SVG file uploads. Authenticated users can upload SVG files via the administrative upload functionality, but they are not properly sanitized or restricted, allowing an attacker to embed malicious JavaScript. When the uploaded SVG file is accessed, the script executes in the browser. This issue does not have a fix at the time of publication.

    Published:Feb 20, 2026
    Last Modified:Apr 18, 2026
    EPS:Feb 20, 2026
    EPSS Score:0.00014
    CVSS Score:5.4

    Affected Products

    Vendor
    Getsimple-ce
    Product
    Getsimple Cms

    Exploits

    https://github.com/GetSimpleCMS-CE/GetSimpleCMS-CE/security/advisories/GHSA-5gmq-hrcx-6w45

    Related CVEs

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    CVE-2026-27202 (CVSS 8.8) — GetSimple CMS is a content management system. All versions of GetSimple CMS have a flaw in the Uploaded Files …
    CVE-2026-27161 (CVSS 8.7) — GetSimple CMS is a content management system. All versions of GetSimple CMS rely on .htaccess files to restric…
    CVE-2026-27146 (CVSS 7.1) — GetSimple CMS is a content management system. All versions of GetSimple CMS do not implement CSRF protection o…
    CVE-2021-47870 (CVSS 4.8) — GetSimple CMS My SMTP Contact Plugin 1.1.2 suffers from a Stored Cross-Site Scripting (XSS) vulnerability. The…
    CVE-2021-47860 (CVSS 8.5) — GetSimple CMS Custom JS 0.1 plugin contains a cross-site request forgery vulnerability that allows unauthentic…
    CVE-2021-47830 (CVSS 5.1) — GetSimple CMS My SMTP Contact Plugin 1.1.1 contains a cross-site request forgery (CSRF) vulnerability. Attacke…
    CVE-2025-48492 (CVSS 8.6) — GetSimple CMS is a content management system. In versions starting from 3.3.16 to 3.3.21, an authenticated use…
    CVE-2024-55088 (CVSS 8.8) — GetSimple CMS CE 3.3.19 is vulnerable to Server-Side Request Forgery (SSRF) in the backend plugin module.…

    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