CVE-2021-24946: Webnus Modern Events Calendar Lite

Critical severity, CVSS 9.8. EPSS: 72.8% chance of exploitation in the next 30 days.

The Modern Events Calendar Lite WordPress plugin before 6.1.5 does not sanitise and escape the time parameter before using it in a SQL statement in the mec_load_single_page AJAX action, available to unauthenticated users, leading to an unauthenticated SQL injection issue

Affected products

• Webnus Modern Events Calendar Lite: before 6.1.5 (fixed in 6.1.5)

Published 2021-12-13. Last modified 2026-06-17.