CVE-2026-81300: SILVERPLUGINS217 Calculation For Contact Form 7

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

Unauthenticated Cross Site Scripting (XSS) in Calculation For Contact Form 7 <= 1.0 versions.

Affected products

• SILVERPLUGINS217 Calculation For Contact Form 7: up to and including 1.0

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