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CVE-2026-47343— TYPO3 CMS - Destructive Actions on File Mount Folders

Quick assessment

Affected
TYPO3 TYPO3 CMS
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 CMS是TYPO3开源的一个内容管理系统。 TYPO3 CMS存在安全漏洞，该漏洞源于非特权后端用户对活动文件挂载根目录的写入操作缺少授权限制，可能导致未授权的移动、删除或重命名操作。以下版本受到影响：10.4.57之前版本、11.0.0至11.5.50版本、12.0.0至12.4.45版本、13.0.0至13.4.30版本和14.0.0至14.3.2版本。

AI Predicted 8.1 Difficulty: Easy EPSS 0.41% · P33

Affected Version Matrix 5

VendorProduct Version RangeStatus
TYPO3 TYPO3 CMS < 10.4.57 affected
11.0.0< 11.5.51 affected
12.0.0< 12.4.46 affected
13.0.0< 13.4.31 affected
14.0.0< 14.3.3 affected
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I. Basic Information for CVE-2026-47343

Vulnerability Information
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Vulnerability Title
TYPO3 CMS - Destructive Actions on File Mount Folders
Source: CVE Program / CVE List V5
Vulnerability Description
Non-privileged backend users with file mount access were able to perform write operations (move, delete, rename) on folders representing the root of an active file mount due to missing authorization restrictions. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0 through 11.5.50, 12.0.0 through 12.4.45, 13.0.0 through 13.4.30, and 14.0.0 through 14.3.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
TYPO3 CMS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TYPO3 CMS是TYPO3开源的一个内容管理系统。 TYPO3 CMS存在安全漏洞，该漏洞源于非特权后端用户对活动文件挂载根目录的写入操作缺少授权限制，可能导致未授权的移动、删除或重命名操作。以下版本受到影响：10.4.57之前版本、11.0.0至11.5.50版本、12.0.0至12.4.45版本、13.0.0至13.4.30版本和14.0.0至14.3.2版本。
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

Vendor Product Affected Versions CPE Subscribe
TYPO3 TYPO3 CMS 0 ~ 10.4.57 -

II. Public POCs for CVE-2026-47343

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III. Intelligence Information for CVE-2026-47343

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Patches & Fixes for CVE-2026-47343 (2)

Vendor Advisories for CVE-2026-47343 (1)

Same Patch Batch · TYPO3 · 2026-06-09 · 13 CVEs total

CVE-2026-47347 TYPO3 CMS - Open Redirect in Core Utilities
CVE-2026-47349 TYPO3 CMS - Broken Access Control in Recycler
CVE-2026-47350 TYPO3 CMS - Broken Access Control in DataHandler
CVE-2026-47348 TYPO3 CMS - Cross-Site Scripting in Indexed Search
CVE-2026-47352 TYPO3 CMS - Broken Access Control in Backend API
CVE-2026-47346 TYPO3 CMS - Broken Access Control in Form Framework
CVE-2026-47351 TYPO3 CMS - Broken Access Control in Clipboard
CVE-2026-11607 TYPO3 CMS - Broken Access Control in Form Framework
CVE-2026-49742 TYPO3 CMS - Broken Access Control in Media Module
CVE-2026-49738 TYPO3 CMS - Broken Access Control in File Abstraction Layer
CVE-2026-49740 TYPO3 CMS - Insecure Deserialization in Core API
CVE-2026-49741 TYPO3 CMS - Privilege Escalation & SQL Injection in Form Framework

IV. Related Vulnerabilities

Same product: TYPO3 CMS
Same vendor: TYPO3
Same weakness: CWE-862

V. Comments for CVE-2026-47343

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