CVE-2022-23504 MEDIUM

CVE-2022-23504: TYPO3 contains Sensitive Information Disclosure via YAML Placeholder Expressions in Site Configuration

Vendor Typo3
Product typo3
Weakness CWE-200 · Info exposure
Published December 14, 2022
Last update April 21, 2025
View on NVD All CVEs

CVSS base score

5.7/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction Required
Confidentiality High
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:L/A:L

What the vulnerability does

Description

TYPO3 is an open source PHP based web content management system. Versions prior to 9.5.38, 10.4.33, 11.5.20, and 12.1.1 are subject to Sensitive Information Disclosure. Due to the lack of handling user-submitted YAML placeholder expressions in the site configuration backend module, attackers could expose sensitive internal information, such as system configuration or HTTP request messages of other website visitors. A valid backend user account having administrator privileges is needed to exploit this vulnerability. This issue has been patched in versions 9.5.38 ELTS, 10.4.33, 11.5.20, 12.1.1.

Key dates

Disclosure timeline

December 14, 2022 CVE published
April 21, 2025 Record updated