Medium severity · published Sep 30, 2026
CVE-2026-94673
WordPress Simply Schedule Appointments plugin <= 1.6.12.31 - Insecure Direct Object References (IDOR) vulnerability
5.3
CVSS
0.2%
EPSS
No
On KEV
Description
Unauthenticated Insecure Direct Object References (IDOR) in Simply Schedule Appointments <= 1.6.12.31 versions.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% 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 1.6.12.31 · source: vendor
Affected product
SS
Simply Schedule Appointments
NSquared
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