CVE-2018-9175: Dedecms

Critical severity, CVSS 9.8. EPSS: 2.2% chance of exploitation in the next 30 days.

DedeCMS 5.7 allows remote attackers to execute arbitrary PHP code via the egroup parameter to uploads/dede/stepselect_main.php because code within the database is accessible to uploads/dede/sys_cache_up.php.

Affected products

• Dedecms Dedecms: version 5.7 only

Published 2018-04-02. Last modified 2026-06-17.