CVE-2025-59020
Medium
Description
By exploiting the defVals parameter, attackers could bypass field‑level access checks during record creation in the TYPO3 backend. This gave them the ability to insert arbitrary data into prohibited exclude fields of a database table for which the user already has write permission for a reduced set of fields. This issue affects TYPO3 CMS versions 10.0.0-10.4.54, 11.0.0-11.5.48, 12.0.0-12.4.40, 13.0.0-13.4.22 and 14.0.0-14.0.1.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Typo3
PublishedJan 13, 2026
First seenJan 13, 2026
Weakness typeCWE-863Incorrect authorization
How to fix
Update
- typo3 typo310.4.55, 11.5.49, 12.4.41, 13.4.23, 14.0.2 or later
- typo3/cms-backend14.0.2, 13.4.23, 12.4.41, 11.5.49, 10.4.55 or later
Patches
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| typo3 typo3 | 10.0.0 ≤ v < 10.4.55, 11.0.0 ≤ v < 11.5.49, 12.0.0 ≤ v < 12.4.41, 13.0.0 ≤ v < 13.4.23, 14.0.0 ≤ v < 14.0.2 | 10.4.55, 11.5.49, 12.4.41, 13.4.23, 14.0.2 |
| typo3/cms-backendPackagist | 14.0.0 ≤ v < 14.0.2, 13.0.0 ≤ v < 13.4.23, 12.0.0 ≤ v < 12.4.41, 11.0.0 ≤ v < 11.5.49, 10.0.0 ≤ v < 10.4.55 | 14.0.2, 13.4.23, 12.4.41, 11.5.49, 10.4.55 |
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