CVE-2026-13395 | BDVDB-2026-353713 Detail

Online Scheduling and Appointment Booking System

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact none, availability impact none. Attack vector: network.

Weaknesses#

CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

References#

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

Exploit#

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

History#

Version 12026-07-30Record published in the CVE List.

Published

Published: 2026-07-30
Last modified: 2026-07-30

Vendor information

Vendor: Not stated
Product: Online Scheduling and Appointment Booking System

Score

8.6 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 39.0.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

SQL Injection

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 27.8
Fixed
27.8

Scoring System

CVSS v4.0

Not available

CVSS v3.1

8.6 High

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Changed
Confidentiality	High
Integrity	None
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).