CVE-2026-48838: Wpexperts Post Smtp

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

Unauthenticated Cross Site Scripting (XSS) in Post SMTP <= 3.6.2 versions.

Affected products

• Wpexperts Post Smtp: up to and including 3.6.2

Published 2026-06-15. Last modified 2026-06-17.