CVE-2021-24687: Webnus Modern Events Calendar Lite

Medium severity, CVSS 4.8. EPSS: 0.6% chance of exploitation in the next 30 days.

The Modern Events Calendar Lite WordPress plugin before 5.22.2 does not escape some of its settings before outputting them in attributes, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

Affected products

• Webnus Modern Events Calendar Lite: before 5.22.2 (fixed in 5.22.2)

Published 2021-10-04. Last modified 2026-06-17.