CVE-2026-22503: Themerex Nelson

High severity, CVSS 8.1. EPSS: 0.5% 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 ThemeREX Nelson nelson allows PHP Local File Inclusion.This issue affects Nelson: from n/a through <= 1.2.0.

Affected products

• Themerex Nelson: up to and including 1.2.0

Published 2026-03-25. Last modified 2026-06-17.