CVE-2026-57743: Stmcan Rt-Theme 18 | Extensions

High severity, CVSS 8.1. EPSS: 0.6% chance of exploitation in the next 30 days.

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in stmcan RT-Theme 18 | Extensions rt18-extensions allows PHP Local File Inclusion.This issue affects RT-Theme 18 | Extensions: from n/a through <= 2.5.

Affected products

• Stmcan Rt-Theme 18 | Extensions: up to and including 2.5

Published 2026-07-13. Last modified 2026-07-13.