CVE-2025-59014: TYPO3 Bookmark Toolbar vulnerable to denial of service
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.
Other sources
TYPO3 Bookmark Toolbar vulnerable to denial of service
— Packagist
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
composer/typo3/cms-backendto a version that resolves this vulnerability.Fixed in 13.4.18 - Upgrade
Upgrade
composer/typo3/cms-backendto a version that resolves this vulnerability.Fixed in 12.4.37 - Upgrade
Upgrade
composer/typo3/cms-backendto a version that resolves this vulnerability.Fixed in 11.5.48
Event History
Frequently Asked Questions
What is the severity of CVE-2025-59014?
CVE-2025-59014 has been classified as a medium-severity vulnerability due to its potential to cause a denial-of-service condition.
How can CVE-2025-59014 be exploited?
CVE-2025-59014 can be exploited by administrator-level backend users who save manipulated data in the bookmark toolbar.
Which versions of TYPO3 CMS are affected by CVE-2025-59014?
CVE-2025-59014 affects TYPO3 CMS versions 11.0.0 to 11.5.47, 12.0.0 to 12.4.36, and 13.0.0 to 13.4.17.
How do I fix CVE-2025-59014?
To fix CVE-2025-59014, update TYPO3 CMS to the latest version that addresses this vulnerability.
What are the potential impacts of CVE-2025-59014?
The potential impact of CVE-2025-59014 includes denial-of-service conditions in the backend user interface which can disrupt normal operations.