CVE-2026-13395

Bookly < 27.8 - Unauthenticated SQL Injection via staff_id

The Online Scheduling and Appointment Booking System WordPress plugin before 27.8 does not sanitize or properly cast a user-supplied parameter from its unauthenticated front-end booking requests before using it in a SQL query, allowing unauthenticated attackers to perform SQL injection attacks and extract sensitive data such as password hashes from the database.

Affected

Online Scheduling and Appointment Booking System

CVSS v3.1 CNA

8.6 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

EPSS

0.45% chance of exploitation in the next 30 days, 37th percentile

Published

2026-07-30

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/87e75d83-0ffc-4dd1-8839-1d5a90f5ea73/

References

• CVE Record
• NVD entry