WP Athletics <= 1.1.7 - Subscriber+ Stored Cross-Site Scripting

The plugin does not sanitize parameters before storing them in the database, nor does it escape the values when outputting them back in the admin dashboard, leading to a Stored Cross-Site Scripting vulnerability.

PoC

- Log on to the site using a subscriber account. - On the page the shortcode is rendered, click on “Why not add your own race result?” - In the “Event Name” field, enter ">, and fill in & submit the rest of the form. - As an administrator, visit /wp-admin/admin.php?page=wp-athletics-manage-results