Description
An uncaught exception in the Bookmark Toolbar of TYPO3 CMS versions 11.0.0–11.5.47, 12.0.0–12.4.36, and 13.0.0–13.4.17 lets administrator‑level backend users trigger a denial‑of‑service condition in the backend user interface by saving manipulated data in the bookmark toolbar.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| TYPO3 | TYPO3 CMS | 11.0.0 – < 11.5.48, 12.0.0 – < 12.4.37, 13.0.0 – < 13.4.18 | 11.5.48 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Packagist | typo3/cms-backend | >= 11.0.0, < 12.4.37 | 12.4.37 | GHSA-xrcq-533q-8rxw |
| Packagist | typo3/cms-backend | >= 12.0.0, < 12.4.37 | 12.4.37 | GHSA-xrcq-533q-8rxw |
| Packagist | typo3/cms-backend | >= 13.0.0, < 13.4.18 | 13.4.18 | GHSA-xrcq-533q-8rxw |
Advisories 1
- WID-SEC-2025-2001 TYPO3 Core: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 9, 2025
References
- https://typo3.org/security/advisory/typo3-core-sa-2025-018 vendor-advisory