CVE-2017-10993
Contao Core directory traversal vulnerability
CVE-2017-10993 is a high vulnerability (CVSS 8.8) in Contao Cms, published July 21, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.72%, the 86th percentile. Fixed in contao/contao 4.4.1.
- Severity
- 8.8 HighCVSS 3.0, NVD
- Exploit chance
- 2.72%EPSS, 86th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
4.4.1contao/contao +4 more
Description
Contao before 3.5.28 and 4.x before 4.4.1 allows remote attackers to include and execute arbitrary local PHP files via a crafted parameter in a URL, aka Directory Traversal.
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
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
contao/contaoPackagist | 4.0.0 up to 4.4.1 | 4.4.1 |
contao/core-bundlePackagist | 4.0.0 up to 4.4.1 | 4.4.1 |
contao/corePackagist | 3.0.0 up to 3.5.28 | 3.5.28 |
contao/core-bundlePackagist | 4.0.0 up to 4.4.1, plus listed versions 4.0.14.0.24.0.34.0.44.1.0 Show 30 moreShow less4.1.0-RC14.1.0-beta14.1.14.1.24.1.34.2.04.2.0-RC14.2.0-beta14.2.14.2.24.2.34.2.44.2.54.3.04.3.0-RC14.3.14.3.104.3.114.3.24.3.34.3.44.3.54.3.64.3.74.3.84.3.94.4.04.4.0-RC14.4.0-RC24.4.0-beta1 | 4.4.1 |
contao/corePackagist | 3.0.0 up to 3.5.28, plus listed versions 3.0.13.0.23.0.33.0.43.0.5 Show 45 moreShow less3.0.63.1.03.1.13.1.23.1.33.1.43.1.53.1.RC13.1.beta13.2.03.2.13.2.103.2.113.2.123.2.133.2.143.2.153.2.163.2.173.2.183.2.193.2.23.2.203.2.213.2.33.2.43.2.53.2.63.2.73.2.83.2.93.2.RC13.2.beta13.2.beta23.3.03.3.0-RC13.3.0-RC23.3.0-beta13.3.13.3.23.3.33.3.43.3.53.3.63.3.7 | 3.5.28 |
What each source reports
NVD Score used
Contao before 3.5.28 and 4.x before 4.4.1 allows remote attackers to include and execute arbitrary local PHP files via a crafted parameter in a URL, aka Directory Traversal.
- Record
CVE-2017-10993- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE ListNo score
Contao before 3.5.28 and 4.x before 4.4.1 allows remote attackers to include and execute arbitrary local PHP files via a crafted parameter in a URL, aka Directory Traversal.
- Record
CVE-2017-10993- Updated
- 2026-11-02
EUVDEUVD-2022-5717No score
Contao before 3.5.28 and 4.x before 4.4.1 allows remote attackers to include and execute arbitrary local PHP files via a crafted parameter in a URL, aka Directory Traversal.
- Record
EUVD-2022-5717- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x5g4-crxq-qxjx
Contao Core directory traversal vulnerability
A logged in back end user can include arbitrary PHP files by manipulating an URL parameter. Since Contao does not allow to upload PHP files in the file manager, the attack is limited to the existing PHP files on the server.
- Record
GHSA-x5g4-crxq-qxjx- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-22
- Updated
- 2026-11-02
OSV
Contao before 3.5.28 and 4.x before 4.4.1 allows remote attackers to include and execute arbitrary local PHP files via a crafted parameter in a URL, aka Directory Traversal.
- Record
CVE-2017-10993- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-x5g4-crxq-qxjx
Contao Core directory traversal vulnerability
A logged in back end user can include arbitrary PHP files by manipulating an URL parameter. Since Contao does not allow to upload PHP files in the file manager, the attack is limited to the existing PHP files on the server.
- Record
GHSA-x5g4-crxq-qxjx- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-22
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
contao.org/en/news/contao-3_5_28.html
nvd.nist.gov/vuln/detail/CVE-2017-10993
github.com/FriendsOfPHP/security-advisories/blob/master/contao/contao/CVE-2017-10993.yaml
Left out here: 38 versions. The JSON record has them.