CVE-2026-39495

HIGH 8.5

WordPress Simply Schedule Appointments plugin <= 1.6.9.27 - SQL Injection vulnerability

CVSS Score

8.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-89
Vendor	nsquared
Product	simply schedule appointments
Published	Apr 8, 2026
Last Updated	Apr 29, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

None

Availability

Low

Affected Versions

NSquared / Simply Schedule Appointments

0 ≤ 1.6.9.27

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/Wordpress/Plugin/simply-schedule-appointments/vulnerability/wordpress-simply-schedule-appointments-plugin-1-6-9-27-sql-injection-vulnerability?_s_id=cve

Credits

daroo | Patchstack Bug Bounty Program