What’s Vulnerable › Vulnerabilities

CVE-2018-16975

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-09-12 · updated 2026-06-17
• Weakness: CWE-94

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.

Affected products

• Elefantcms Elefant: before 2.0.7 — fixed in 2.0.7

How to fix

Upgrade to a fixed version: Elefantcms Elefant 2.0.7. Check the vendor advisory for mitigations.

References

• https://github.com/jbroadway/elefant/commit/0795ab57c7ffa53ff4af57e229f6d9680fa54a21
• https://github.com/jbroadway/elefant/issues/286
• https://github.com/jbroadway/elefant/releases/tag/elefant_2_0_7_stable
• https://github.com/jbroadway/elefant/commit/0795ab57c7ffa53ff4af57e229f6d9680fa54a21
• https://github.com/jbroadway/elefant/issues/286
• https://github.com/jbroadway/elefant/releases/tag/elefant_2_0_7_stable

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