TYPO3 CMS - Destructive Actions on File Mount Folders
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · High · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-862.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| TYPO3 | TYPO3 CMS | before 10.4.57; 11.0.0 to before 11.5.51; 12.0.0 to before 12.4.46; 13.0.0 to before 13.4.31; 14.0.0 to before 14.3.3 | 10.4.57, 11.5.51, 12.4.46, 13.4.31, 14.3.3 | Patch available | CNA |
| — | typo3/cms-core (Packagist) | before 10.4.57 | 10.4.57 | Patch available | GHSA-3v8v-4wg6-r7qh |
| — | typo3/cms-core (Packagist) | 11.0.0 to before 11.5.51 | 11.5.51 | Patch available | GHSA-3v8v-4wg6-r7qh |
| — | typo3/cms-core (Packagist) | 12.0.0 to before 12.4.46 | 12.4.46 | Patch available | GHSA-3v8v-4wg6-r7qh |
| — | typo3/cms-core (Packagist) | 13.0.0 to before 13.4.31 | 13.4.31 | Patch available | GHSA-3v8v-4wg6-r7qh |
| — | typo3/cms-core (Packagist) | 14.0.0 to before 14.3.3 | 14.3.3 | Patch available | GHSA-3v8v-4wg6-r7qh |
- TYPO3 CMS VendorTYPO3 Affected before 10.4.57; 11.0.0 to before 11.5.51; 12.0.0 to before 12.4.46; 13.0.0 to before 13.4.31; 14.0.0 to before 14.3.3 Fixed in 10.4.57, 11.5.51, 12.4.46, 13.4.31, 14.3.3 Patch available CNA
- typo3/cms-core (Packagist) Vendor— Affected before 10.4.57 Fixed in 10.4.57 Patch available GHSA-3v8v-4wg6-r7qh
- typo3/cms-core (Packagist) Vendor— Affected 11.0.0 to before 11.5.51 Fixed in 11.5.51 Patch available GHSA-3v8v-4wg6-r7qh
- typo3/cms-core (Packagist) Vendor— Affected 12.0.0 to before 12.4.46 Fixed in 12.4.46 Patch available GHSA-3v8v-4wg6-r7qh
- typo3/cms-core (Packagist) Vendor— Affected 13.0.0 to before 13.4.31 Fixed in 13.4.31 Patch available GHSA-3v8v-4wg6-r7qh
- typo3/cms-core (Packagist) Vendor— Affected 14.0.0 to before 14.3.3 Fixed in 14.3.3 Patch available GHSA-3v8v-4wg6-r7qh
Remediation
- Fix · CNA TYPO3 CMS (TYPO3) Fixed in 10.4.57, 11.5.51, 12.4.46, 13.4.31, 14.3.3
- Fix · GHSA-3v8v-4wg6-r7qh typo3/cms-core (Packagist) Fixed in 10.4.57 Advisory →
- Fix · GHSA-3v8v-4wg6-r7qh typo3/cms-core (Packagist) Fixed in 11.5.51 Advisory →
- Fix · GHSA-3v8v-4wg6-r7qh typo3/cms-core (Packagist) Fixed in 12.4.46 Advisory →
- Fix · GHSA-3v8v-4wg6-r7qh typo3/cms-core (Packagist) Fixed in 13.4.31 Advisory →
- Fix · GHSA-3v8v-4wg6-r7qh typo3/cms-core (Packagist) Fixed in 14.3.3 Advisory →
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
TYPO3 CMS 10.4.57, 11.5.51 and 3 more versions
8 records Highest priority Priority LOW 8 LOW
Other records, highest priority first
- TI-2026-34921 TYPO3 CMS - Broken Access Control in Form FrameworkPriority LOW 35
- TI-2026-10021 TYPO3 CMS - Broken Access Control in Form FrameworkPriority LOW 35
- TI-2026-34922 TYPO3 CMS - Open Redirect in Core UtilitiesPriority LOW 30
Timeline
- 2026-10-02 Threatist record created from CVE-2026-47343
- 2026-10-03 Alias added: GHSA-3v8v-4wg6-r7qh
References
Advisory 2
More TYPO3 vulnerabilities
- TI-2023-10314 Persisted Cross-Site Scripting in Frontend Rendering in typo3 CVSS 3.1HIGH 8.8
- TI-2010-03538 The jumpUrl (aka access tracking) implementation in tslib/class.tslib_fe.php in TYPO3… CVSS 2.0HIGH 7.1
- TI-2009-00775 The jumpUrl mechanism in class.tslib_fe.php in TYPO3 3.3.x through 3.8.x, 4.0 before… CVSS 2.0MEDIUM 5.0
- TI-2025-30547 The sr_feuser_register extension through 12.4.8 for TYPO3 allows Remote Code Execution. CVSS 3.1CRITICAL 10.0
- TI-2019-08867 The PharStreamWrapper (aka phar-stream-wrapper) package 2.x before 2.1.1 and 3.x before… CVSS 3.1CRITICAL 9.8
- TI-2008-04019 Unspecified vulnerability in the TYPO3 Secure Directory (kw_secdir) extension before… CVSS 2.0HIGH 10.0
Sources
- CVE-2026-47343 · CVE Program
- CVE-2026-47343 · NVD
- FIRST EPSS
- GHSA-3v8v-4wg6-r7qh · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences