CVE-2025-12842 – Booking Plugin for WordPress Appointments – Time Slot

CVE ID : CVE-2025-12842

Published : Nov. 19, 2025, 6:15 a.m. | 49 minutes ago

Description : The Booking Plugin for WordPress Appointments – Time Slot plugin for WordPress is vulnerable to unauthorized email sending in versions up to, and including, 1.4.7 due to missing validation on the tslot_appt_email AJAX action. This makes it possible for unauthenticated attackers to send appointment notification emails to arbitrary recipients with attacker-controlled text content in certain email fields, potentially enabling the site to be abused for phishing campaigns or spam distribution.

Severity: 5.3 | MEDIUM

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