CVE-2026-103346: Tomlister Payflex Payment Gateway

High severity, CVSS 7.1. EPSS: 0.1% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Tomlister Payflex Payment Gateway payflex-payment-gateway allows Reflected XSS.This issue affects Payflex Payment Gateway: from n/a through 2.7.1.

Affected products

• Tomlister Payflex Payment Gateway: up to and including 2.7.1

Published 2026-10-06. Last modified 2026-10-06.