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CVE-2022-23504 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:4.9 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

CNA: [email protected]CVSS-B:5.7 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:L/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/TYPO3/typo3/security/advisories/GHSA-8w3p-qh3x-6gjr	CVE	Third Party Advisory
https://github.com/TYPO3/typo3/security/advisories/GHSA-8w3p-qh3x-6gjr	[email protected]	Third Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-917	Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')	[email protected]
CWE-200	Exposure of Sensitive Information to an Unauthorized Actor	[email protected]
CWE-917	Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')	[email protected]

Affected Products

Product	Versions
typo3 typo3	>= 9.0.0, < 9.5.38 >= 10.0.0, < 10.4.33 >= 11.0.0, < 11.5.20 >= 12.0.0, < 12.1.1
CPE cpe:2.3:a:typo3:typo3:::::::: Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Dec 16, 2022	Initial Analysis	[email protected]