CVE-2023-50851 HIGH

CVE-2023-50851: WordPress Simply Schedule Appointments Plugin < 1.6.6.1 is vulnerable to SQL Injection

Vendor N Squared
Product Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin
Weakness CWE-89 · SQLi
Published December 28, 2023
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

7.6/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in N Squared Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin.This issue affects Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin: from n/a before 1.6.6.1.

Key dates

02Disclosure timeline

December 28, 2023 CVE published
April 28, 2026 Record updated