CVE-2021-24925: Webnus Modern Events Calendar Lite

Medium severity, CVSS 6.1. EPSS: 0.8% 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 current_month_divider parameter of its mec_list_load_more AJAX call (available to both unauthenticated and authenticated users) before outputting it back in the response, leading to a Reflected Cross-Site Scripting 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.