CVE-2014-3921: Simple Popup Project Simple Popup

Medium severity, CVSS 4.3. EPSS: 1.6% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in popup.php in the Simple Popup Images plugin for WordPress allows remote attackers to inject arbitrary web script or HTML via the z parameter.

Affected products

Published 2014-05-30. Last modified 2026-06-17.