CVE-2020-8984: Zend Zendto

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

lib/NSSDropbox.php in ZendTo prior to 5.22-2 Beta allowed IP address spoofing via the X-Forwarded-For header.

Affected products

• Zend Zendto: version 3.10 only; version 3.11 only; version 3.12 only; version 3.13 only; version 3.20 only; version 3.51 only; …

Published 2020-03-24. Last modified 2026-06-17.