The JoomSport – for Sports: Team & League, Football, Hockey & more plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘page parameter in all versions up to, and including, 5.6.17 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Missing Authorization vulnerability in BearDev JoomSport allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects JoomSport: from n/a through 5.6.3.

Missing Authorization vulnerability in BearDev JoomSport allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects JoomSport: from n/a through 5.3.0.

The JoomSport WordPress plugin before 5.2.8 does not properly sanitise and escape a parameter before using it in a SQL statement, leading to a SQL injection exploitable by unauthenticated users

The JoomSport – for Sports: Team & League, Football, Hockey & more plugin for WordPress is vulnerable to SQL Injection via the 'orderby' parameter on the joomsport-page-extrafields page in versions up to, and including, 5.2.5 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with administrative privileges, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

The JoomSport – for Sports: Team & League, Football, Hockey & more plugin for WordPress is vulnerable to SQL Injection via the 'orderby' parameter on the joomsport-events-form page in versions up to, and including, 5.2.5 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with administrative privileges, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

The joomsport_md_load AJAX action of the JoomSport WordPress plugin before 5.1.8, registered for both unauthenticated and unauthenticated users, unserialised user input from the shattr POST parameter, leading to a PHP Object Injection issue. Even though the plugin does not have a suitable gadget chain to exploit this, other installed plugins could, which might lead to more severe issues such as RCE

The BearDev JoomSport plugin 3.3 for WordPress allows SQL injection to steal, modify, or delete database information via the joomsport_season/new-yorkers/?action=playerlist sid parameter.