Cross-site Request Forgery (CSRF) Affecting redaxo/source package, versions <5.21.2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PHP-REDAXOSOURCE-20186889
- published28 Sept 2026
- disclosed23 Sept 2026
- creditUnknown
Introduced: 23 Sep 2026
NewCVE-2026-63000 (opens in a new tab)How to fix?
Upgrade redaxo/source to version 5.21.2 or higher.
Overview
Affected versions of this package are vulnerable to Cross-site Request Forgery (CSRF) in the rex_api_install_package_update process. An attacker can trigger unauthorized addon updates by luring an authenticated admin to visit a malicious page, causing unintended package updates or downgrades to vulnerable versions.