CVE-2024-0866: Checkemail Check & Log Email – Easy Email Testing & Mail Logging

High severity, CVSS 8.1. EPSS: 0.7% chance of exploitation in the next 30 days.

The Check & Log Email plugin for WordPress is vulnerable to Unauthenticated Hook Injection in all versions up to, and including, 1.0.9 via the check_nonce function. This makes it possible for unauthenticated attackers to execute actions with hooks in WordPress under certain circumstances. The action the attacker wishes to execute needs to have a nonce check, and the nonce needs to be known to the attacker. Furthermore, the absence of a capability check is a requirement.

Affected products

• Checkemail Check & Log Email – Easy Email Testing & Mail Logging: up to and including 1.0.9
• Checkmail Check And Log Email: up to and including 1.0.9

Published 2024-03-26. Last modified 2026-06-17.