CVE-2026-13395
High
Description
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.
SeverityHigh
CVSS8.6
Exploit probability—
ProductOnline Scheduling and Appointment Booking System
PublishedJul 30, 2026
First seenJul 30, 2026
Weakness typeCWE-89SQL injection
How to fix
Update
- Online Scheduling and Appointment Booking System27.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Online Scheduling and Appointment Booking System | v < 27.8 | 27.8 |
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