Answer in brief
CVE-2026-63000 records a Medium severity (CVSS 6.4) vulnerability in REDAXO: Missing CSRF Protection on Package Update Action Allows Forced Addon Updates. The current sources do not mark it as known exploited. The current feed maps redaxo/source (composer), redaxo/core (generic), redaxo/source (packagist). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 6.4. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps redaxo/source (composer), redaxo/core (generic), redaxo/source (packagist). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:a:redaxo:redaxo:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| redaxo/sourcecomposer | <=5.21.1 | 5.21.2 |
| redaxo/coregeneric | <5.21.2 | 5.21.2 |
| redaxo/sourcepackagist | >=0 <5.21.2 | 5.21.2 |
Published upstream
Sep 23, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 19, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 23, 2026
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.
Quoted source text, attributed separately from HOL analysis.