CVE-2020-9459: Webnus Modern Events Calendar Lite

Medium severity, CVSS 5.4. EPSS: 1% chance of exploitation in the next 30 days.

Multiple Stored Cross-site scripting (XSS) vulnerabilities in the Webnus Modern Events Calendar Lite plugin through 5.1.6 for WordPress allows remote authenticated users (with minimal permissions) to inject arbitrary JavaScript, HTML, or CSS via Ajax actions. This affects mec_save_notifications and import_settings.

Affected products

• Webnus Modern Events Calendar Lite: up to and including 5.1.6

Published 2020-02-28. Last modified 2026-06-17.