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Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin <= 1.6.10.6 - Unauthenticated Stored Cross-Site Scripting

CVE-2026-39447 · 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 <= 1.6.10.6 - Unauthenticated Stored Cross-Site Scripting
Affected software
simply-schedule-appointments(Plugin)
Affected versions
  • ≤ 1.6.10.6
Authentication
Unauthenticated
Vulnerability type
Cross-site scripting
CVE
CVE-2026-39447
Published
28 May 2026
CISA KEV
Not listed in CISA KEV at last catalog refresh
Impact
May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source

Data imported from Wordfence Intelligence (advisory 7e3ad5fd-e190-48c8-864f-11cc7342080a). Methodology and redistribution notes

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