| #1 | Timetics – Appointment Booking Calendar & Scheduling | 99 | | 2 | 2k+ | | | mismatched plugin name |
| #2 | Cal.com | 99 | 1 | 0 | 2k+ | | | outdated tested upto header |
| #3 | Booktics – Appointment Booking Calendar for Service Businesses | 99 | | 2 | 800 | | | mismatched plugin name |
| #4 | Appointment Bookings for Zoom GoogleMeet and more – Wappointment | 81 | 22 | 52 | 1k+ | | | Non-prefixed class |
| #5 | Date Picker For Contact Form 7 | 78 | 3 | 8 | 4k+ | | | Missing nonce verification |
| #6 | FareHarbor for WordPress | 75 | 18 | 9 | 9k+ | | | Output is not escaped |
| #7 | Vello Booking Calendar | 74 | 10 | 2 | 400 | | | Unsafe printing function |
| #8 | SuperSaaS – online appointment scheduling | 42 | 79 | 10 | 1k+ | | | Text Domain Mismatch |
| #9 | Radius Booking – Appointment Booking Calendar & Scheduling for Services & Events | 36 | 17 | 176 | 400 | | | Non-prefixed global variable |
| #10 | Booking Calendar | 35 | 85 | 340 | 40k+ | | | Mixed line endings |
| #11 | bookingflow Smoobu for WP | 35 | 107 | 12 | 400 | | | Text Domain Mismatch |
| #12 | WP Simple Booking Calendar | 31 | 337 | 380 | 20k+ | | | Output is not escaped |
| #13 | WP Booking System – Booking Calendar | 28 | 502 | 549 | 10k+ | | | Output is not escaped |
| #14 | Booking Manager – Sync WP Booking Calendar – Import Events, Export Bookings to ICS Calendar | 28 | 477 | 225 | 5k+ | | | Output is not escaped |
| #15 | Online Scheduling and Appointment Booking System – Bookly | 25 | 1,198 | 936 | 60k+ | | | SQL query is not prepared |
| #16 | Booking Package | 25 | 1,697 | 3,978 | 10k+ | | | Missing nonce verification |
| #17 | Bookit — Booking & Appointment Calendar | 25 | 570 | 1,493 | 4k+ | | | Non-prefixed global variable |
| #18 | Appointment Booking Calendar | 25 | 328 | 1,049 | 1k+ | | | Non-prefixed global variable |
| #19 | WP Time Slots Booking Form | 25 | 439 | 1,142 | 1k+ | | | Non-prefixed global variable |
| #20 | Booking Calendar Contact Form | 25 | 371 | 888 | 500 | | | Input is not validated |
| #21 | VikAppointments Services Booking Calendar | 25 | 9,762 | 5,211 | 500 | | | Output is not escaped |
| #22 | TrueBooker – Appointment Booking and Scheduler System | 24 | 530 | 2,747 | 600 | | | Non-prefixed global variable |
| #23 | Booking calendar, Appointment Booking System | 23 | 1,079 | 1,125 | 3k+ | | | Output is not escaped |
| #24 | Appointment Booking Plugin & Scheduling System – Webba Booking Calendar | 23 | 1,674 | 3,539 | 2k+ | | | Non-prefixed global variable |
| #25 | Booking and Rental Manager for Bike | Car | Resort | Appointment | Dress | Equipment | 23 | 395 | 1,770 | 1k+ | | | Non-prefixed global variable |
| #26 | Pinpoint Booking System – Version 2 | 21 | 634 | 328 | 3k+ | | | Missing direct file access protection |
