The plugin does not escape or validate the player_id parameter before outputting back in the Stats page in the admin dashboard, leading to a Reflected Cross-Site Scripting issue which will be executed in the context of a logged in administrator
https://example.com/wp-admin/admin.php?page=fv_player_stats&player_id=1+%3Csvg%2Fonload%3Dalert%28%2FXSS%2F%29%3E
2021-08-11 (about 1 years ago)
2021-08-11 (about 1 years ago)
2021-08-11 (about 1 years ago)