WordPress plugin
Simply Schedule Appointments security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 52 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical0
- High19
- Medium33
- Low0
All Simply Schedule Appointments vulnerabilities
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Simply Schedule Appointments: common questions
Does Simply Schedule Appointments have known vulnerabilities?
Yes. VulnCrest Radar lists 52 known vulnerabilities in Simply Schedule Appointments: 19 high, 33 medium. None are known to affect version null.
How do I check which version of Simply Schedule Appointments I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent Simply Schedule Appointments vulnerability?
CVE-2026-125437, published Nov 11, 2026: Simply Schedule Appointments <= 1.6.13.0 - Missing Authorization. Severity: Medium (CVSS 5.3).
Is any Simply Schedule Appointments vulnerability listed in CISA KEV?
No. None of the known Simply Schedule Appointments vulnerabilities is currently listed in the CISA KEV catalog.