CVE-2023-47126— Information Disclosure in Install Tool in typo3/cms-install
Quick assessment
Affected
TYPO3 typo3
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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 12.4.8之前版本存在安全漏洞，该漏洞源于独立安装工具的登录屏幕会显示瞬态数据目录的完整路径。
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I. Basic Information for CVE-2023-47126
Vulnerability Information
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Vulnerability Title
Information Disclosure in Install Tool in typo3/cms-install
Source: CVE Program / CVE List V5
Vulnerability Description
TYPO3 is an open source PHP based web content management system released under the GNU GPL. In affected versions the login screen of the standalone install tool discloses the full path of the transient data directory (e.g. /var/www/html/var/transient/). This applies to composer-based scenarios only - “classic” non-composer installations are not affected. This issue has been addressed in version 12.4.8. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
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 12.4.8之前版本存在安全漏洞，该漏洞源于独立安装工具的登录屏幕会显示瞬态数据目录的完整路径。
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-2023-47126
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Patches & Fixes for CVE-2023-47126 (1)
Vendor Advisories for CVE-2023-47126 (1)
-
https://github.com/TYPO3/typo3/security/advisories/GHSA-p2jh-95jg-2w55 x_refsource_CONFIRM
Other References for CVE-2023-47126 (1)
-
https://typo3.org/security/advisory/typo3-core-sa-2023-005 x_refsource_MISC
Same Patch Batch · TYPO3 · 2023-11-14 · 3 CVEs total
| CVE-2023-47125 | 4.7 MEDIUM | By-passing Cross-Site Scripting Protection in HTML Sanitizer |
| CVE-2023-47127 | 4.2 MEDIUM | Weak Authentication in Session Handling in typo3/cms-core |
IV. Related Vulnerabilities
Same product: typo3
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CVE-2025-47941
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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
Same weakness: CWE-200
-
CVE-2026-105211
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OpenAM before 16.1.3 Cross-Realm Session Disclosure via Sess
V. Comments for CVE-2023-47126
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