The The Events Calendar plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on the 'tecqrcodemodal' AJAX endpoint in all versions up to, and including, 6.15.9. This makes it possible for authenticated attackers, with Subscriber-level access and above, to view draft event names and generate/view QR codes for them.

The The Events Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘data-date-’ parameters in all versions up to, and including, 6.13.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The The Events Calendar plugin for WordPress is vulnerable to Information Exposure in all versions up to, and including, 6.15.2 via the REST endpoint. This makes it possible for unauthenticated attackers to extract information about password-protected vendors or venues.