Uncaught Exception Affecting typo3/cms-backend package, versions >=11.3.0, <12.4.37>=13.0.0, <13.4.18
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PHP-TYPO3CMSBACKEND-12670814
- published15 Sept 2025
- disclosed9 Sept 2025
- creditJakub Świes
Introduced: 9 Sep 2025
NewCVE-2025-59014 (opens in a new tab)How to fix?
Upgrade typo3/cms-backend to version 12.4.37, 13.4.18 or higher.
Overview
Affected versions of this package are vulnerable to Uncaught Exception via the initShortcuts function of the bookmark toolbar. An attacker can cause the backend user interface to become unresponsive by saving specially crafted data. This is only exploitable if the attacker has administrator-level backend access.
Note: Additional fixed versions are available through TYPO3’s Extended Long Term Support.