Medium severity · published Apr 8, 2026
CVE-2026-39694
WordPress Simply Schedule Appointments plugin <= 1.6.10.2 - Broken Access Control vulnerability
5.3
CVSS
0.2%
EPSS
No
On KEV
Description
Missing Authorization vulnerability in NSquared Simply Schedule Appointments simply-schedule-appointments allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Simply Schedule Appointments: from n/a through <= 1.6.10.2.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 5% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SS
Simply Schedule Appointments · NSquared
through 1.6.10.2 · source: vendor
Affected product
SS
Simply Schedule Appointments
NSquared
More from Simply Schedule Appointments
9.3
CVE-2026-65508
WordPress Simply Schedule Appointments plugin <= 1.6.12.10 - SQL Injection vulnerability
9.3
CVE-2026-39493
WordPress Simply Schedule Appointments plugin <= 1.6.9.27 - SQL Injection vulnerability
8.8
CVE-2026-84764
WordPress Simply Schedule Appointments plugin <= 1.6.12.23 - Cross Site Request Forgery (CSRF) vulnerability
8.8
CVE-2024-2342
Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin <= 1.6.7.7 - Authenticated (Contributor+) SQL Injection via Shortcode
8.5
CVE-2026-39495
WordPress Simply Schedule Appointments plugin <= 1.6.9.27 - SQL Injection vulnerability