CVE-2023-48653
MEDIUMCVE-2023-48653 is a medium-severity (CVSS 4.3) Cross-Site Request Forgery (CSRF) vulnerability in concrete5/concrete5. O3 Security confirms whether CVE-2023-48653 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.
Concrete CMS Cross Site Request Forgery (CSRF) vulnerability
Real-World Exposure
concrete5/concrete5🐘concrete5/concrete5Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.
Description
Concrete CMS before 8.5.14 and 9 before 9.2.3 allows Cross Site Request Forgery (CSRF) via ccm/calendar/dialogs/event/delete/submit. An attacker can force an admin to delete events on the site because the event ID is numeric and sequential.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐘Packagist | concrete5/concrete5 | all versions | 8.5.14 |
| 🐘Packagist | concrete5/concrete5 | ≥ 9.0.0&&< 9.2.3 | 9.2.3 |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for concrete5/concrete5. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.
Fix
Update concrete5/concrete5 to 8.5.14 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2023-48653 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 pinpoints whether CVE-2023-48653 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.
Tailored to CVE-2023-48653. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is CVE-2023-48653 in your dependencies?
O3 detects CVE-2023-48653 across Packagist dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.