CVE-2025-9850 Evenium <= 1.3.11 - Authenticated (Contributor+) Stored Cross-Site Scripting

The Evenium plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'eveniumsingleevent' shortcode in all versions up to, and including, 1.3.11 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticat...