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.
{
"cwe_ids": [
"CWE-248"
],
"github_reviewed": true,
"github_reviewed_at": "2025-09-09T20:10:26Z",
"nvd_published_at": "2025-09-09T09:15:39Z",
"severity": "MODERATE"
}