CVE-2021-36720: Pineapp Mail Secure

Medium severity, CVSS 6.1. EPSS: 0.6% chance of exploitation in the next 30 days.

PineApp - Mail Secure - Attacker sending a request to :/blocking.php?url=<script>alert(1)</script> and stealing cookies .

Affected products

• Pineapp Mail Secure: before 5.2.1 (fixed in 5.2.1)

Published 2021-12-08. Last modified 2026-06-17.