CVE-2023-29200
contao/core-bundle has path traversal vulnerability in the file manager
Contao is an open source content management system. Prior to versions 4.9.40, 4.13.21, and 5.1.4, logged in users can list arbitrary system files in the file manager by manipulating the Ajax request. However, it is not possible to read the contents of these files. Users should update to Contao 4.9.40, 4.13.21 or 5.1.4 to receive a patch. There are no known workarounds.
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
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
contao/core-bundle has path traversal vulnerability in the file manager
Contao is an open source content management system. Prior to versions 4.9.40, 4.13.21, and 5.1.4, logged in users can list arbitrary system files in the file manager by manipulating the Ajax request. However, it is not possible to read the contents of these files. Users should update to Contao 4.9.40, 4.13.21 or 5.1.4 to receive a patch. There are no known workarounds.
- Record
CVE-2023-29200- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
EUVDEUVD-2023-1294
Contao is an open source content management system. Prior to versions 4.9.40, 4.13.21, and 5.1.4, logged in users can list arbitrary system files in the file manager by manipulating the Ajax request. However, it is not possible to read the contents of these files. Users should update to Contao 4.9.40, 4.13.21 or 5.1.4 to receive a patch. There are no known workarounds.
- Record
EUVD-2023-1294- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fp7q-xhhw-6rj3
Path traversal vulnerability in the file manager
Impact
Authenticated users in the back end can list files outside the document root in the file manager.
Patches
Update to Contao 4.9.40, 4.13.21 or 5.1.4.
Workarounds
None.
References
https://contao.org/en/security-advisories/directory-traversal-in-the-file-manager
For more information
If you have any questions or comments about this advisory, open an issue in contao/contao.
- Record
GHSA-fp7q-xhhw-6rj3- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-22
- Updated
- 2026-11-02
NVD
Contao is an open source content management system. Prior to versions 4.9.40, 4.13.21, and 5.1.4, logged in users can list arbitrary system files in the file manager by manipulating the Ajax request. However, it is not possible to read the contents of these files. Users should update to Contao 4.9.40, 4.13.21 or 5.1.4 to receive a patch. There are no known workarounds.
- Record
CVE-2023-29200- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
OSV
contao/core-bundle has path traversal vulnerability in the file manager
Contao is an open source content management system. Prior to versions 4.9.40, 4.13.21, and 5.1.4, logged in users can list arbitrary system files in the file manager by manipulating the Ajax request. However, it is not possible to read the contents of these files. Users should update to Contao 4.9.40, 4.13.21 or 5.1.4 to receive a patch. There are no known workarounds.
- Record
CVE-2023-29200- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
OSVGHSA-fp7q-xhhw-6rj3
Path traversal vulnerability in the file manager
Impact
Authenticated users in the back end can list files outside the document root in the file manager.
Patches
Update to Contao 4.9.40, 4.13.21 or 5.1.4.
Workarounds
None.
References
https://contao.org/en/security-advisories/directory-traversal-in-the-file-manager
For more information
If you have any questions or comments about this advisory, open an issue in contao/contao.
- Record
GHSA-fp7q-xhhw-6rj3- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
contao/contaoPackagist |
4.9.0 up to 4.9.40 | 4.9.40 |
contao/contaoPackagist |
4.13.0 up to 4.13.21 | 4.13.21 |
contao/contaoPackagist |
5.1.0 up to 5.1.4 | 5.1.4 |
contao/contaoPackagist |
4.9.0 up to 4.9.40, plus listed versions 4.9.14.9.104.9.114.9.124.9.13 Show 34 moreShow less4.9.144.9.154.9.164.9.174.9.184.9.194.9.24.9.204.9.214.9.224.9.234.9.244.9.254.9.264.9.274.9.284.9.294.9.34.9.304.9.314.9.324.9.334.9.344.9.354.9.364.9.374.9.384.9.394.9.44.9.54.9.64.9.74.9.84.9.9 |
4.9.40 |
contao/contaoPackagist |
4.13.0 up to 4.13.21, plus listed versions 4.13.14.13.104.13.114.13.124.13.13 Show 15 moreShow less4.13.144.13.154.13.164.13.174.13.184.13.194.13.24.13.204.13.34.13.44.13.54.13.64.13.74.13.84.13.9 |
4.13.21 |
contao/contaoPackagist |
5.1.0 up to 5.1.4, plus listed versions 5.1.15.1.25.1.3 |
5.1.4 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-29200 is a medium vulnerability (CVSS 4.3) in Contao, published April 25, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.80%, the 56th percentile. Fixed in contao/contao 4.9.40.
References
github.com/contao/contao/security/advisories/GHSA-fp7q-xhhw-6rj3
contao.org/en/security-advisories/directory-traversal-in-the-file-manager
nvd.nist.gov/vuln/detail/CVE-2023-29200