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Medium severity · published Jul 13, 2026
CVE-2026-57812
WordPress Simply Schedule Appointments plugin <= 1.6.12.4 - Broken Access Control vulnerability
6.5
CVSS
0.3%
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 <= 1.6.12.4.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% 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 1.6.12.4 · source: vendor
Affected product
SS
Simply Schedule Appointments
NSquared
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-57812
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-57812
patchstack.com
https://patchstack.com/database/Wordpress/Plugin/simply-schedule-appointments/vulnerability/wordpress-simply-schedule-appointments-plugin-1-6-12-4-broken-access-control-vulnerability?_s_id=cve
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