CVE-2025-59020 TYPO3 CMS Allows Broken Access Control in Edit Document Controller

What is CVE-2025-59020?

CVE-2025-59020 is a medium-severity missing authorization vulnerability in Typo3 Typo3, published on 13 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Weakness: CWE-863

Which versions are affected by CVE-2025-59020?

10 open source packages ship an affected version, including typo3/cms-backend. It affects 1 product.

Products include Typo3 Typo3.

How do I fix CVE-2025-59020?

Upgrade typo3/cms-backend to a fixed version for your release line: 10.4.55, 11.5.49, 12.4.41 or 13.4.23.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-59020 being exploited?

There is no known exploitation of CVE-2025-59020 in the wild and no public exploit code.

Other vulnerabilities in Typo3 Typo3

• CVE-2009-0258 Indexed Search Engine for TYPO3 Command Execution via Metacharacter Injection Critical 10.0
• CVE-2011-3583 Typo3 SQL injection due to faulty prepared statements Critical 9.8
• CVE-2011-4628 Typo3 Authentication Bypass Critical 9.8
• CVE-2023-24814 Persisted Cross-Site Scripting in Frontend Rendering in typo3 High 8.8
• CVE-2021-41113 Cross-Site-Request-Forgery in Backend URI Handling in Typo3 High 8.8

All Typo3 Typo3 vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-5j7q-wmh7-cqhg.