What is CVE-2026-5513?

CVE-2026-5513 is a high-severity vulnerability in Ladela Online Scheduling And Appointment Booking System – Bookly, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-06-13.

How severe is CVE-2026-5513?

High severity. CVSS v3 base score is 7.2 out of 10.

Is CVE-2026-5513 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Ladela Online Scheduling And Appointment Booking System – Bookly

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 san…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (35.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

Ladela Online Scheduling And Appointment Booking System – Bookly — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-5513?: CVE-2026-5513 is a high-severity vulnerability in Ladela Online Scheduling And Appointment Booking System – Bookly, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-06-13.
How severe is CVE-2026-5513?: High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2026-5513 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.