CVE-2020-17452: Flatcore

High severity, CVSS 7.2. EPSS: 2.4% chance of exploitation in the next 30 days.

flatCore before 1.5.7 allows upload and execution of a .php file by an admin.

Affected products

  • Flatcore Flatcore: before 1.5.7 (fixed in 1.5.7)

Published 2020-08-09. Last modified 2026-06-17.