CVE-2026-39493 CRITICAL

CVE-2026-39493: WordPress Simply Schedule Appointments plugin <= 1.6.9.27 - SQL Injection vulnerability

Vendor Nsquared
Product Simply Schedule Appointments
Weakness CWE-89 · SQLi
Published June 15, 2026
Last update June 16, 2026
View on NVD All CVEs

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

Description

Unauthenticated SQL Injection in Simply Schedule Appointments <= 1.6.9.27 versions.

Key dates

Disclosure timeline

June 15, 2026 CVE published
June 16, 2026 Record updated