CVE-2025-59014

Low

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.

SeverityLow

CVSS2.7

Exploit probability—

Product

Typo3

PublishedSep 9, 2025

First seenSep 9, 2025

Weakness typeCWE-248CWE-248

How to fix

Update

typo3 typo311.5.48, 12.4.37, 13.4.18 or later
typo3/cms-backend12.4.37, 13.4.18 or later

Vendor advisories

typo3.org/security/advisory/typo3-core-sa-2025-018

Affected products

Product	Affected versions	Fixed in
typo3 typo3	11.0.0 ≤ v < 11.5.48, 12.0.0 ≤ v < 12.4.37, 13.0.0 ≤ v < 13.4.18	11.5.48, 12.4.37, 13.4.18
typo3/cms-backendPackagist	11.0.0 ≤ v < 12.4.37, 12.0.0 ≤ v < 12.4.37, 13.0.0 ≤ v < 13.4.18	12.4.37, 13.4.18

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