RCE in Elefantcms Elefant

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.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.037 (88.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-16975?
CVE-2018-16975 is a critical-severity vulnerability in Elefantcms Elefant, classified under Code Injection. CVSS score: 9.8/10. Published 2018-09-12.
How severe is CVE-2018-16975?
Critical severity. CVSS v3 base score is 9.8 out of 10.