Threat intelligence

Appointment Booking Calendar <= 1.4.01 - Authenticated (Contributor+) Sensitive Information Exposure via 'id' Parameter

CVE-2026-12111 · appointment-booking-calendar

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

Vulnerability: Appointment Booking Calendar <= 1.4.01 - Authenticated (Contributor+) Sensitive Information Exposure via 'id' Parameter
Affected software: appointment-booking-calendar(Plugin)
Affected versions: ≤ 1.4.01
Authentication: Authenticated (see advisory title)
Vulnerability type: Other
CVE: CVE-2026-12111
Published: 17 June 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 e1ecc237-87b0-4c4d-94cc-d3af9c6669c5). Methodology and redistribution notes

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