CVE-2018-16975
Elefant CMS PHP Code Execution Vulnerability
An issue was discovered in Elefant CMS before 2.0.7. There is a PHP Code Execution Vulnerability in /designer/add/stylesheet.php by using a .php extension in the New Stylesheet Name field in conjunction with <?php content, because of insufficient input validation in apps/designer/handlers/csspreview.php.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in Elefant CMS before 2.0.7. There is a PHP Code Execution Vulnerability in /designer/add/stylesheet.php by using a .php extension in the New Stylesheet Name field in conjunction with <?php content, because of insufficient input validation in apps/designer/handlers/csspreview.php.
- Record
CVE-2018-16975- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-94
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in Elefant CMS before 2.0.7. There is a PHP Code Execution Vulnerability in /designer/add/stylesheet.php by using a .php extension in the New Stylesheet Name field in conjunction with <?php content, because of insufficient input validation in apps/designer/handlers/csspreview.php.
- Record
CVE-2018-16975- Updated
- 2026-11-02
EUVDEUVD-2022-5689 No score
An issue was discovered in Elefant CMS before 2.0.7. There is a PHP Code Execution Vulnerability in /designer/add/stylesheet.php by using a .php extension in the New Stylesheet Name field in conjunction with <?php content, because of insufficient input validation in apps/designer/handlers/csspreview.php.
- Record
EUVD-2022-5689- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x2w2-qgv6-8xrm
Elefant CMS PHP Code Execution Vulnerability
An issue was discovered in Elefant CMS before 2.0.7. There is a PHP Code Execution Vulnerability in /designer/add/stylesheet.php by using a .php extension in the New Stylesheet Name field in conjunction with <?php content, because of insufficient input validation in apps/designer/handlers/csspreview.php.
- Record
GHSA-x2w2-qgv6-8xrm- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
OSV
An issue was discovered in Elefant CMS before 2.0.7. There is a PHP Code Execution Vulnerability in /designer/add/stylesheet.php by using a .php extension in the New Stylesheet Name field in conjunction with <?php content, because of insufficient input validation in apps/designer/handlers/csspreview.php.
- Record
CVE-2018-16975- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-x2w2-qgv6-8xrm
Elefant CMS PHP Code Execution Vulnerability
An issue was discovered in Elefant CMS before 2.0.7. There is a PHP Code Execution Vulnerability in /designer/add/stylesheet.php by using a .php extension in the New Stylesheet Name field in conjunction with <?php content, because of insufficient input validation in apps/designer/handlers/csspreview.php.
- Record
GHSA-x2w2-qgv6-8xrm- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
elefant/cmsPackagist |
before 2.0.7 | 2.0.7 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-16975 is a critical vulnerability (CVSS 9.8) in Elefantcms Elefant, published September 12, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.73%, the 89th percentile. Fixed in elefant/cms 2.0.7.