CVE-2026-84763: Rometheme Rtmkit

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

Unauthenticated Cross Site Scripting (XSS) in RTMKit <= 2.1.5 versions.

Affected products

• Rometheme Rtmkit: up to and including 2.1.5

Published 2026-09-03. Last modified 2026-09-07.