Incorrect Authorization Affecting typo3/cms-backend package, versions <12.4.41>=13.0.0, <13.4.23>=14.0.0, <14.0.2
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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- published14 Jan 2026
- disclosed13 Jan 2026
- creditDaniel Windloff
Introduced: 13 Jan 2026
CVE-2025-59020 (opens in a new tab)How to fix?
Upgrade typo3/cms-backend to version 12.4.41, 13.4.23, 14.0.2 or higher.
Overview
Affected versions of this package are vulnerable to Incorrect Authorization via the defVals parameter in the Edit Document Controller. An attacker can insert unauthorized data into restricted database fields by bypassing field-level access checks during record creation, provided the user already has write permissions for a limited set of fields.