CVE-2026-5513

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).

CVSS v3 7.2 HIGH

7.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://plugins.trac.wordpress.org/changeset/3504922/bookly-responsive-appointment-booking-tool
https://www.wordfence.com/threat-intel/vulnerabilities/id/b8ab6dfa-3764-470f-aa49-1964f42d93de?source=cve

Configurations

No configuration.

History

23 Jul 2026, 09:10

Type	Values Removed	Values Added
Summary		(es) El plugin Online Scheduling and Appointment Booking System - Bookly para WordPress es vulnerable a cross-site scripting almacenado a través de la cookie 'bookly-customer-full-name' en versiones hasta la 27.2, inclusive, debido a una sanitización de entrada y un escape de salida insuficientes. Esto hace posible que atacantes no autenticados inyecten scripts web arbitrarios en páginas que se ejecutarán cada vez que un usuario acceda a una página inyectada. La explotación requiere que la configuración 'Recordar información personal en cookies' esté habilitada (deshabilitada por defecto).

13 Jun 2026, 12:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-13 12:16

Updated : 2026-07-23 09:10

NVD link : CVE-2026-5513

Mitre link : CVE-2026-5513

CVE.ORG link : CVE-2026-5513

JSON object : View

Products Affected

No product.

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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