CVE · High

CVE-2026-5513 — Online Scheduling and Appointment Booking System – Bookly [bookly-responsive-appointment-booking-tool] < 27.3

CVE Vulnerability Type Severity Affected Fixed in Published Status
CVE-2026-5513 Online Scheduling and Appointment Booking System – Bookly [bookly-responsive-appointment-booking-tool] < 27.3 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') High 7.2 < 27.3 27.3 2026-06-12

CVE-2026-5513

The Bookly plugin for WordPress contains a vulnerability that allows malicious code injection through the 'bookly-customer-full-name' cookie, which is not properly sanitized or escaped in versions up to 27.2. This flaw enables unauthenticated attackers to embed arbitrary scripts on web pages that will execute when accessed by any user, as long as the "Remember personal information in cookies" setting is enabled.

Based on public CVE data (MITRE/NVD).

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