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      <title>CVE-2026-63000 — REDAXO: Missing CSRF Protection on Package Update Action Allows Forced Addon Updates</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-63000</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; redaxo core&lt;/p&gt;
&lt;p&gt;REDAXO is a PHP-based content management system. Prior to 5.21.2, rex_api_install_package_update in redaxo/src/addons/install/lib/api/api_package_update.php inherits the false default from rex_api_function::requiresCsrfProtection() instead of requiring a CSRF token. An unauthenticated attacker can cause a logged-in administrator&amp;#39;s browser to request a selected package update from the configured REDAXO package server, changing installed addon code or disrupting the site without the administrator&amp;#39;s intent. This issue is fixed in version 5.21.2.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; redaxo core&lt;/p&gt;
&lt;p&gt;REDAXO is a PHP-based content management system. Prior to 5.21.2, rex_api_install_package_update in redaxo/src/addons/install/lib/api/api_package_update.php inherits the false default from rex_api_function::requiresCsrfProtection() instead of requiring a CSRF token. An unauthenticated attacker can cause a logged-in administrator&amp;#39;s browser to request a selected package update from the configured REDAXO package server, changing installed addon code or disrupting the site without the administrator&amp;#39;s intent. This issue is fixed in version 5.21.2.&lt;/p&gt;</content:encoded>
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