CVE-2022-23504— TYPO3 contains Sensitive Information Disclosure via YAML Placeholder Expressions in Site Configuration
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I. Basic Information for CVE-2022-23504
Vulnerability Information
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Vulnerability Title
TYPO3 contains Sensitive Information Disclosure via YAML Placeholder Expressions in Site Configuration
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
TYPO3 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TYPO3是瑞士TYPO3协会的一套免费开源的内容管理系统(框架)(CMS/CMF)。 TYPO3 Core存在安全漏洞，攻击者利用该漏洞可以通过站点配置 YAML 占位符表达式绕过对 TYPO3 核心数据的访问限制，以读取敏感信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2022-23504
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- https://github.com/TYPO3/typo3/security/advisories/GHSA-8w3p-qh3x-6gjrx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2022-23504
Same Patch Batch · TYPO3 · 2022-12-14 · 5 CVEs total
| CVE-2022-23503 | 7.5 HIGH | TYPO3 vulnerable to Arbitrary Code Execution via Form Framework |
| CVE-2022-23501 | 5.9 MEDIUM | TYPO3 vulnerable to Improper Authentication in Frontend Login |
| CVE-2022-23500 | 5.9 MEDIUM | TYPO3 subject to Uncontrolled Recursion resulting in Denial of Service |
| CVE-2022-23502 | 5.4 MEDIUM | TYPO3 contains Insufficient Session Expiration after Password Reset |
IV. Related Vulnerabilities
Same product: typo3
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TYPO3 Has Broken Authentication in Backend MFA - CVE-2025-47940
TYPO3 CMS Vulnerable to Privilege Escalation to System Maint - CVE-2025-47939
TYPO3 CMS Vulnerable to Unrestricted File Upload in File Abs - CVE-2025-47938
TYPO3 Vulnerable to Unverified Password Change for Backend U - CVE-2025-47937
TYPO3 Vulnerable to Information Disclosure via DBAL Restrict
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V. Comments for CVE-2022-23504
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