CVE-2026-84764: high-severity vulnerability in NSquared Simply Schedule Appointments
WordPress Simply Schedule Appointments plugin <= 1.6.12.23 - Cross Site Request Forgery (CSRF) vulnerability
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 0.2%
Unauthenticated Cross Site Request Forgery (CSRF) in Simply Schedule Appointments <= 1.6.12.23 versions.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
NSquared · Simply Schedule AppointmentsRelated CVEs — NSquared Simply Schedule Appointments
In the same product, most dangerous first.
CVE-2026-65508CRITICALWordPress Simply Schedule Appointments plugin <= 1.6.12.10 - SQL Injection vulnerabilityEPSS 0.4%CVE-2026-39493CRITICALWordPress Simply Schedule Appointments plugin <= 1.6.9.27 - SQL Injection vulnerabilityEPSS 0.4%CVE-2026-57812MEDIUMWordPress Simply Schedule Appointments plugin <= 1.6.12.4 - Broken Access Control vulnerabilityEPSS 0.3%CVE-2026-42384HIGHWordPress Simply Schedule Appointments plugin < 1.6.11.2 - Sensitive Data Exposure vulnerabilityEPSS 0.3%CVE-2026-59523MEDIUMWordPress Simply Schedule Appointments plugin <= 1.6.11.11 - Broken Access Control vulnerabilityEPSS 0.3%CVE-2026-39495HIGHWordPress Simply Schedule Appointments plugin <= 1.6.9.27 - SQL Injection vulnerabilityEPSS 0.3%