Vulnerability · Published Apr 8, 2026 · Assigned by Patchstack
CVE-2026-39495WordPress Simply Schedule Appointments plugin <= 1.6.9.27 - SQL Injection vulnerability
High 8.5
In plain English
A high-severity SQL injection in Simply Schedule Appointments from NSquared. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities).
Severity (CVSS 3.1)8.5High
Exploit odds (30 days)0.3%top 81.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in NSquared Simply Schedule Appointments simply-schedule-appointments allows Blind SQL Injection.This issue affects Simply Schedule Appointments: from n/a through <= 1.6.9.27.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| NSquared | Simply Schedule Appointments | 0 – through 1.6.9.27 |
Weakness: CWE-89 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L