CVE-2025-53256: Yaycommerce Yaysmtp

High severity, CVSS 7.6. EPSS: 0.4% chance of exploitation in the next 30 days.

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in YayCommerce YaySMTP yaysmtp allows SQL Injection.This issue affects YaySMTP: from n/a through <= 2.6.6.

Affected products

• Yaycommerce Yaysmtp: up to and including 2.6.6

Published 2025-06-27. Last modified 2026-06-17.