WordPress Online Booking and Scheduling Plugin – Bookly <= 14.5 - Cross-Site Scripting

7.2
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2018-6891
CVSS 7.2 (High)
Publicly Published February 10, 2018
Last Updated January 22, 2024
Researcher Luigi Gubello

Description

The Online Booking and Scheduling plugin for WordPress is vulnerable to Cross-Site Scripting in versions up to, and including, 14.5. This is due to insufficient input sanitization and output escaping on the name parameter of a booking submission which makes it possible for unauthenticated attackers to inject arbitrary web scripts that execute in a victim's browser.

Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.

References

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Vulnerability Details for Online Scheduling and Appointment Booking System – Bookly

Software Type Plugin
Software Slug bookly-responsive-appointment-booking-tool (view on wordpress.org)
Patched? Yes
Remediation Update to version 14.6, or a newer patched version
Affected Version
  • <= 14.5
Patched Version
  • 14.6

Recent vulnerabilities in Online Scheduling and Appointment Booking System – Bookly

# Title CVE ID CVSS Researchers Date
1 Online Scheduling and Appointment Booking System <= 27.7 - Unauthenticated Stored Cross-Site Scripting via bookly_speed_up_update_addons AJAX action CVE-2026-13424 7.2 Dmitrii Ignatyev August 15, 2026
2 Online Scheduling and Appointment Booking System – Bookly <= 27.7 - Authenticated (Staff+) Insecure Direct Object Reference to Sensitive Information Exposure via 'params[id]' Parameter CVE-2026-12905 4.3 Raihan Adi Arba August 15, 2026
3 Online Scheduling and Appointment Booking System – Bookly < 27.8 - Unauthenticated SQL Injection CVE-2026-13395 7.5 Jakub Herman August 3, 2026
4 Online Scheduling and Appointment Booking System <= 27.7 - Unauthenticated SQL Injection CVE-2026-14516 7.5 Nguyen Ngoc Duc (duc193) July 27, 2026
5 Online Scheduling and Appointment Booking System – Bookly <= 27.7 - Unauthenticated Stored Cross-Site Scripting CVE-2026-61944 7.2 ickogz July 16, 2026
6 Online Scheduling and Appointment Booking System – Bookly <= 27.7 - Unauthenticated SQL Injection CVE-2026-61949 7.5 dodoh4t July 16, 2026
7 Online Scheduling and Appointment Booking System – Bookly <= 27.2 - Unauthenticated Stored Cross-Site Scripting via 'bookly-customer-full-name' Cookie CVE-2026-5513 7.2 Naoya Takahashi (nakko) June 12, 2026
8 Online Scheduling and Appointment Booking System – Bookly <= 27.4 - Unauthenticated Information Exposure CVE-2026-42667 5.3 Tiago Ventura (perses) May 10, 2026
9 Online Scheduling and Appointment Booking System – Bookly <= 27.0 - Unauthenticated Price Manipulation via 'tips' CVE-2026-2519 5.3 Youssef Elouaer April 8, 2026
10 Online Scheduling and Appointment Booking System – Bookly <= 26.7 - Reflected Cross-Site Scripting CVE-2026-32540 6.1 ickogz March 20, 2026

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