Is CVE-2022-23504 actively exploited?

No active exploitation of CVE-2022-23504 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-23504 be exploited remotely?

Yes. CVE-2022-23504 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-23504?

CVE-2022-23504 has a CVSS score of 4.9 (MEDIUM).

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MEDIUM

CVE-2022-23504

CWE-200Published: December 14, 2022· Updated: Jun 17, 2026

4.9

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2022-23504 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 4.9.

From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.