CVE-2026-81278: Wpexperts Post Smtp

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

Missing Authorization vulnerability in WPExperts Post SMTP allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Post SMTP: from 4.0.0 through beta.1.

Affected products

• Wpexperts Post Smtp

Published 2026-08-31. Last modified 2026-09-01.