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

medium Affects redaxo/source. Feed 2026.10.29.1, updated 2026-10-28; published 2026-09-23.

REDAXO: Missing CSRF Protection on Package Update Action Allows Forced Addon Updates

Package: redaxo/source Composer
Affected versions: <5.21.2
Fixed in: 5.21.2
Severity: medium CVSS 6.4
Exploitation: not on CISA KEV · EPSS 0% (4.1th percentile)
Published: 2026-09-23
Source: osv.dev

References

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden deps composer.lock

# or, without Composer
pipx install phpwarden   &&   phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs How findings are ranked

Related advisories

CVE-2024-25298 high Code injection in REDAXO same package: redaxo/source
CVE-2025-64050 high REDAXO CMS is vulnerable to RCE attack through its template management component same package: redaxo/source
CVE-2024-46212 medium Path traversal in redaxo same package: redaxo/source
CVE-2024-50803 medium Redaxo Core CMS Cross Site Scripting (XSS) same package: redaxo/source
CVE-2026-21857 high Redaxo has Path Traversal in Backup Addon Leading to Arbitrary File Read same package: redaxo/source
CVE-2026-53599 high Redaxo has a Mediapool isAllowedExtension bypass via multi-segment filename that leads to same package: redaxo/source