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The Events Calendar Pro plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 7.0.2 via deserialization of untrusted input from the 'filters' parameter in widgets. This makes it possible for authenticated attackers, with administrator-level access and above, to inject a PHP Object. The additional presence of a POP chain allows attackers to execute code remotely. In certain configurations, this can be exploitable by lower level users. We confirmed that this plugin installed with Elementor makes it possible for users with contributor-level access and above to exploit this issue.
The The Events Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Event Calendar Link Widget through the htmltag attribute in all versions up to, and including, 6.9.0 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 EventCalendar WordPress plugin before 1.1.51 does not escape some user input before outputting it back in attributes, leading to Reflected Cross-SIte Scripting issues
The Event Tickets and Registration plugin for WordPress is vulnerable to unauthorized loss of data due to a missing capability check on the 'ajaxticketdelete' function in all versions up to, and including, 5.19.1.1. This makes it possible for authenticated attackers, with Contributor-level access and above, to delete arbitrary Attendee tickets.
Cross-site scripting (XSS) vulnerability in the Event Import page (import-eventbrite-events.php) in the Modern Tribe Eventbrite Tickets plugin before 3.10.2 for WordPress allows remote attackers to inject arbitrary web script or HTML via the "error" parameter to wp-admin/edit.php.
The EventCalendar WordPress plugin before 1.1.51 does not have proper authorisation and CSRF checks in the addcalendarevent AJAX actions, allowing users with a role as low as subscriber to create events