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Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin <= 1.6.9.27 - Unauthenticated SQL Injection

CVE-2026-39493 · simply-schedule-appointments

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Simply Schedule Appointments at a vulnerable version. How SiteRespond intelligence works

Vulnerability
Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin <= 1.6.9.27 - Unauthenticated SQL Injection
Affected software
simply-schedule-appointments(Plugin)
Affected versions
  • ≤ 1.6.9.27
Authentication
Unauthenticated
Vulnerability type
SQL injection
CVE
CVE-2026-39493
Published
8 April 2026
CISA KEV
Not listed in CISA KEV at last catalog refresh
Impact
May allow attackers to read or modify database contents beyond intended access.
Source

Data imported from Wordfence Intelligence (advisory 7c69d0ec-d533-416b-9bc1-a3d5a871469a). Methodology and redistribution notes

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