Arbitrary Code Execution in TYPO3 CMS
Priority LOW 38CWE-94Published · Updated
Key facts
- Attack vector
- —
- Privileges required
- —
- User interaction
- —
- Attack complexity
- —
- Impact type
- Code execution
- Confidentiality · integrity · availability
- —
- Fix status
- Fixed
No CVSS vector from any source. Fix status from GitHub. Impact type from CWE-94.
Summary
Due to a missing file extension in the fileDenyPattern, backend user are allowed to upload *.pht files which can be executed in certain web server setups. The new default fileDenyPattern is the following, which might have been overridden in the TYPO3 Install Tool. ``` \.(php[3-7]?|phpsh|phtml|pht)(\..*)?$|^\.htaccess$ ```
Why it matters now
Fix Fixed typo3/cms (Packagist): 7.6.22, 8.7.5
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | typo3/cms (Packagist) | 7.6.0 to before 7.6.22 | 7.6.22 | Patch available | GHSA-67wg-6j7r-mqh8 |
| — | typo3/cms (Packagist) | 8.0.0 to before 8.7.5 | 8.7.5 | Patch available | GHSA-67wg-6j7r-mqh8 |
- typo3/cms (Packagist) Vendor— Affected 7.6.0 to before 7.6.22 Fixed in 7.6.22 Patch available GHSA-67wg-6j7r-mqh8
- typo3/cms (Packagist) Vendor— Affected 8.0.0 to before 8.7.5 Fixed in 8.7.5 Patch available GHSA-67wg-6j7r-mqh8
Remediation
- Fix · GHSA-67wg-6j7r-mqh8 typo3/cms (Packagist) Fixed in 7.6.22 Advisory →
- Fix · GHSA-67wg-6j7r-mqh8 typo3/cms (Packagist) Fixed in 8.7.5 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-67wg-6j7r-mqh8
References
Sources
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