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Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin <= 1.6.12.10 - Authenticated (Contributor+) Insecure Direct Object Reference to Sensitive Information Exposure

CVE-2026-13358 · 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 <= 1.6.12.10 - Authenticated (Contributor+) Insecure Direct Object Reference to Sensitive Information Exposure
Affected software
simply-schedule-appointments(Plugin)
Affected versions
  • ≤ 1.6.12.10
Authentication
Authenticated (see advisory title)
Vulnerability type
Other
CVE
CVE-2026-13358
Published
15 August 2026
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 5dbe5094-d255-46b1-9e8e-9c48cd74e8a2). Methodology and redistribution notes

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