Vulnerability Report

CVE-2026-5513

Title: Stored XSS in Bookly plugin for WordPress

XSS

Proof Of Concept

PoC Available for CVE-2026-5513

CWE Category CWE-79

Published Date Jun 13, 2026

Modified Date Jun 15, 2026

Exploit Status Available

Score 7.2 CVSS v3.1

Exploit Probability (EPSS)

0.26%

Vulnerability Summary

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).

Impacted Vendors

Analysis in Progress...

Reference Links

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

CVSS v3.1

Source Entity [email protected]

Severity HIGH

7.2

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

CHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-5513 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/Xaanziu/CVE-2026-5513

View Code

GitHub https://github.com/87achrafg-stack/CVE-2026-5513

View Code

June 15, 2026 MODIFIED

Vulnerability data updated via NVD.

June 13, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.