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    CVE-2025-66026

    REDAXO is a PHP-based CMS. Prior to version 5.20.1, a reflected Cross-Site Scripting (XSS) vulnerability exists in the Mediapool view where the request parameter args[types] is rendered into an info banner without HTML-escaping. This allows arbitrary JavaScript execution in the backend context when an authenticated user visits a crafted link while logged in. This issue has been patched in version 5.20.1.

    Published:Nov 26, 2025
    Last Modified:Dec 3, 2025
    EPS:Nov 26, 2025
    EPSS Score:0.00039
    CVSS Score:6.1

    Affected Products

    Vendor
    Redaxo
    Product
    Redaxo

    Exploits

    https://github.com/redaxo/redaxo/security/advisories/GHSA-x6vr-q3vf-vqgqhttps://github.com/redaxo/redaxo/security/advisories/GHSA-x6vr-q3vf-vqgq

    Related CVEs

    CVE-2018-25353 (CVSS 8.7) — Redaxo CMS Mediapool Addon 5.5.1 and older contains an arbitrary file upload vulnerability that allows authent…
    CVE-2016-20053 (CVSS 6.9) — Redaxo CMS 5.2 contains a cross-site request forgery vulnerability that allows unauthenticated attackers to cr…
    CVE-2026-21857 (CVSS 8.3) — REDAXO is a PHP-based content management system. Prior to version 5.20.2, authenticated users with backup perm…
    CVE-2025-64049 (CVSS 4.8) — A stored cross-site scripting (XSS) vulnerability in the module management component in REDAXO CMS 5.20.0 allo…
    CVE-2025-64050 (CVSS 7.2) — A Remote Code Execution (RCE) vulnerability in the template management component in REDAXO CMS 5.20.0 allows r…
    CVE-2025-27412 (CVSS 6.1) — REDAXO is a PHP-based CMS. In Redaxo from 5.0.0 through 5.18.2, the rex-api-result parameter is vulnerable to …
    CVE-2025-27411 (CVSS 5.4) — REDAXO is a PHP-based CMS. In Redaxo before 5.18.3, the mediapool/media page is vulnerable to arbitrary file u…
    CVE-2024-46210 (CVSS 7.2) — An arbitrary file upload vulnerability in the MediaPool module of Redaxo CMS v5.17.1 allows attackers to execu…
    CVE-2024-13209 (CVSS 5.1) — A vulnerability was found in Redaxo CMS 5.18.1. It has been classified as problematic. Affected is an unknown …
    CVE-2024-46209 (CVSS 5.4) — A stored cross-site scripting (XSS) vulnerability in the component /media/test.html of REDAXO CMS v5.17.1 allo…

    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