CVE-2026-5306: Unknown Check & Log Email

Medium severity, CVSS 5.4. EPSS: 0.2% chance of exploitation in the next 30 days.

The Check & Log Email WordPress plugin before 2.0.13 does not properly handle email replacement, which could allow unauthenticated users to perform Stored XSS attacks when the email encoder setting is enabled

Affected products

• Unknown Check & Log Email: before 2.0.13 (fixed in 2.0.13)

Published 2026-04-28. Last modified 2026-06-17.