CVE-2026-40308 My Calendar: Unauthenticated Information Disclosure (IDOR) via Multisite switch_to_blog

My Calendar is a WordPress plugin for managing calendar events. In versions 3.7.6 and below, the mcajaxmcjsaction AJAX endpoint, registered for unauthenticated users, passes user-supplied arguments through parsestr without validation, allowing injection of arbitrary parameters including a site...

CVE-2024-13835

The Post Meta Data Manager plugin for WordPress is vulnerable to multisite privilege escalation in all versions up to, and including, 1.4.3. This is due to the plugin not properly verifying the existence of a multisite installation prior to allowing user meta to be added/modified. This makes it...