CVE-2021-24145: Webnus Modern Events Calendar Lite

High severity, CVSS 7.2. EPSS: 87.2% chance of exploitation in the next 30 days.

Arbitrary file upload in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.5, did not properly check the imported file, allowing PHP ones to be uploaded by administrator by using the 'text/csv' content-type in the request.

Affected products

• Webnus Modern Events Calendar Lite: before 5.16.5 (fixed in 5.16.5)

Published 2021-03-18. Last modified 2026-06-17.