Skip to main content
CRITICAL

CVE-2018-16975

CVSS v3

9.8

CRITICAL

EPSS Score

3.7 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

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.

Technical details

Published
2018-09-12

Frequently asked questions

What is CVE-2018-16975?

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.

Is CVE-2018-16975 actively exploited?

Active exploitation of CVE-2018-16975 has not been confirmed. Its EPSS score was 3.7% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-16975?

CVE-2018-16975 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2018-16975 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

No credit card required · 500 free checks/month · Free API key