CVE-2013-6808: Zend Zendto

Medium severity, CVSS 4.3. EPSS: 1.5% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in lib/NSSDropoff.php in ZendTo before 4.11-13 allows remote attackers to inject arbitrary web script or HTML via a modified emailAddr field to pickup.php.

Affected products

• Zend Zendto: up to and including 4.11-12; version 4.00 only; version 4.01 only; version 4.02 only; version 4.03-3 only; version 4.05-2 only; …

Published 2013-12-28. Last modified 2026-06-17.