CVE-2026-57743 [HIGH] – Improper Control of Filename for Include/Require Statement in PHP Program (‘PHP Remote Fil

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.