CVE-2018-12046: Dedecms

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

DedeCMS through 5.7SP2 allows arbitrary file write in dede/file_manage_control.php via a dede/file_manage_view.php?fmdo=newfile request with name and str parameters, as demonstrated by writing to a new .php file.

Affected products

• Dedecms Dedecms: before 5.7 (fixed in 5.7); version 5.7 only

Published 2018-06-08. Last modified 2026-06-17.