GHSA-67wg-6j7r-mqh8
Arbitrary Code Execution in TYPO3 CMS
GHSA-67wg-6j7r-mqh8 is a critical vulnerability (CVSS 9.9) in typo3/cms, published June 5, 2024. No source lists public exploit code. Fixed in typo3/cms 7.6.22.
- Severity
- 9.9 CriticalCVSS 3.1, GitHub Advisories
- Exploit chance
- UnscoredNo EPSS score yet
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
7.6.22typo3/cms +3 more
Description
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)(\..*)?$|^\.htaccess$
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Affected packages
| Package | Affected | Fixed |
|---|---|---|
typo3/cmsPackagist | 7.6.0 up to 7.6.22 | 7.6.22 |
typo3/cmsPackagist | 8.0.0 up to 8.7.5 | 8.7.5 |
typo3/cmsPackagist | 7.6.0 up to 7.6.22, plus listed versions 7.6.17.6.107.6.117.6.127.6.13 Show 16 moreShow less7.6.147.6.157.6.167.6.177.6.187.6.197.6.27.6.37.6.47.6.57.6.67.6.77.6.87.6.9v7.6.20v7.6.21 | 7.6.22 |
typo3/cmsPackagist | 8.0.0 up to 8.7.5, plus listed versions 8.0.18.1.08.1.18.1.28.2.0 Show 14 moreShow less8.2.18.3.08.3.18.4.08.4.18.5.08.5.18.6.08.6.18.7.08.7.18.7.2v8.7.3v8.7.4 | 8.7.5 |
What each source reports
GitHub Advisories Score used
Arbitrary Code Execution in TYPO3 CMS
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)(\..*)?$|^\.htaccess$
- Record
GHSA-67wg-6j7r-mqh8- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
OSV
Arbitrary Code Execution in TYPO3 CMS
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)(\..*)?$|^\.htaccess$
- Record
GHSA-67wg-6j7r-mqh8- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | GitHub Advisories, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.