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Threat Entry
Updated 2026-06-17
CVE-2026-5513 - Online Scheduling and Appointment Booking System – Bookly Plugin
The Online Scheduling and Appointment Booking System – Bookly plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'bookly-customer-full-name' cookie in versions up to, and including, 27.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires 'Remember personal information in cookies' setting to be enabled (disabled by default).
PLUGIN
Online Scheduling and Appointment Booking System – Bookly
CVE-2026-5513
Risk Score