Threat intelligence

Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin <= 1.6.9.16 - Missing Authorization to Unauthenticated Sensitive Information Exposure

CVE-2025-13754 · 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 <= 1.6.9.16 - Missing Authorization to Unauthenticated Sensitive Information Exposure
Affected software: simply-schedule-appointments(Plugin)
Affected versions: ≤ 1.6.9.16
Authentication: Unauthenticated
Vulnerability type: Other
CVE: CVE-2025-13754
Published: 18 December 2025
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.
Source: Data imported from Wordfence Intelligence (advisory 10d7a50c-41e9-41b7-a171-d72dbe08e7b7). Methodology and redistribution notes

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