My Calendar, CVE-2026-6854

CVE, Research URL: CVE-2026-6854
Home page URL: Security reports for My Calendar
Application: My Calendar
Published on: Jul 08, 2026
Research Description: The My Calendar – Accessible Event Manager plugin for WordPress is vulnerable to time-based blind SQL Injection via the 'mc_auth' parameter in all versions up to, and including, 3.7.8 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
Affected versions: max 3.7.9.
Status: vulnerable