CVE-2024-6522: Webnus Modern Events Calendar

Critical severity, CVSS 9.6. EPSS: 0.4% chance of exploitation in the next 30 days.

The Modern Events Calendar plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 7.12.1 via the 'mec_fes_form' AJAX function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

Affected products

• Webnus Modern Events Calendar: before 7.13.0 (fixed in 7.13.0)
• Webnus Modern Events Calendar Lite: before 7.13.0 (fixed in 7.13.0)

Published 2024-08-07. Last modified 2026-06-17.