CVE-2026-5513

HIGH EPSS 22.9%

Published Jun 13, 20263w ago · Modified Jun 17, 20262w ago

7.2 CVSS 3.1

High

Published Jun 13, 2026 3w ago

Last Modified Jun 17, 2026 2w ago

Description

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 Details

Base Score

7.2

Exploitability

3.9

Impact

2.7

Vector string

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Changed

Confidentiality Low

Integrity Low

Availability None

Threat Intelligence

EPSS Exploit Probability

22.9% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

References 2

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.