CVE-2025-47940: TYPO3 CMS Vulnerable to Privilege Escalation to System Maintainer

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-05-20 · updated 2026-06-17
Weakness: CWE-283

Description

TYPO3 is an open source, PHP based web content management system. Starting in version 10.0.0 and prior to versions 10.4.50 ELTS, 11.5.44 ELTS, 12.4.31 LTS, and 13.4.12 LTS, administrator-level backend users without system maintainer privileges can escalate their privileges and gain system maintainer access. Exploiting this vulnerability requires a valid administrator account. Users should update to TYPO3 version 10.4.50 ELTS, 11.5.44 ELTS, 12.4.31 LTS, or 13.4.12 LTS to fix the problem.

Affected products

typo3: from 10.4.0 before 10.4.50; from 11.0.0 before 11.5.44; from 12.0.0 before 12.4.31; from 13.0.0 before 13.4.12 — fixed in 10.4.50, 11.5.44, 12.4.31, 13.4.12

How to fix

Upgrade to a fixed version: typo3 10.4.50, 11.5.44, 12.4.31, 13.4.12. Check the vendor advisory for mitigations.

References

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