CVE-2024-25119: Information Disclosure of Encryption Key in TYPO3 Install Tool

Severity: medium (CVSS 4.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-02-13 · updated 2026-06-17
Weakness: CWE-200

Description

TYPO3 is an open source PHP based web content management system released under the GNU GPL. The plaintext value of `$GLOBALS['SYS']['encryptionKey']` was displayed in the editing forms of the TYPO3 Install Tool user interface. This allowed attackers to utilize the value to generate cryptographic hashes used for verifying the authenticity of HTTP request parameters. Exploiting this vulnerability requires an administrator-level backend user account with system maintainer permissions. Users are advised to update to TYPO3 versions 8.7.57 ELTS, 9.5.46 ELTS, 10.4.43 ELTS, 11.5.35 LTS, 12.4.11 LTS, 13.0.1 that fix the problem described. There are no known workarounds for this vulnerability.

Affected products

typo3: from 8.0.0 before 8.7.57; from 9.0.0 before 9.5.46; from 10.0.0 before 10.4.43; from 11.0.0 before 11.5.35; from 12.0.0 before 12.4.11; 13.0.0 — fixed in 10.4.43, 11.5.35, 12.4.11, 8.7.57, 9.5.46

How to fix

Upgrade to a fixed version: typo3 10.4.43, 11.5.35, 12.4.11, 8.7.57. Check the vendor advisory for mitigations.

References

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