CVE-2025-54034: Tribulant Software Newsletters

High severity, CVSS 7.5. 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 Tribulant Software Newsletters newsletters-lite allows PHP Local File Inclusion.This issue affects Newsletters: from n/a through <= 4.10.

Affected products

• Tribulant Software Newsletters: up to and including 4.10

Published 2025-08-20. Last modified 2026-06-17.