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CVE-2026-63000— REDAXO: Missing CSRF Protection on Package Update Action Allows Forced Addon Updates

Quick assessment

Affected
redaxo core
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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

CVSS 6.4 · Medium
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I. Basic Information for CVE-2026-63000

Vulnerability Information

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Vulnerability Title
REDAXO: Missing CSRF Protection on Package Update Action Allows Forced Addon Updates
Source: CVE Program / CVE List V5
Vulnerability Description
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'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's intent. This issue is fixed in version 5.21.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
redaxo core < 5.21.2 -

II. Public POCs for CVE-2026-63000

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III. Intelligence Information for CVE-2026-63000

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Patches & Fixes for CVE-2026-63000 (2)

Vendor Advisories for CVE-2026-63000 (1)

Vendor Pages for CVE-2026-63000 (1)

Same Patch Batch · redaxo · 2026-09-23 · 4 CVEs total

CVE-2026-63001 4.8 MEDIUM REDAXO: Stored XSS via Unescaped Media Manager Type Name in `mediaIsInUse()`
CVE-2026-63002 4.8 MEDIUM REDAXO: Stored XSS in Mediapool Sync Page via Unescaped Filesystem Filenames
CVE-2026-62998 4.3 MEDIUM REDAXO: Unwhitelisted ORDER BY Column in rex_list Allows Authenticated Column Enumeration

IV. Related Vulnerabilities

Same product: core
Same vendor: redaxo
Same weakness: CWE-352

V. Comments for CVE-2026-63000

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