CVE-2025-12842

MediumCVSS 5.3/10Last modified Oct 18, 2026

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.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-20

Affected software

No affected versions have been published.

Timeline

Published
Nov 19, 2025
Last modified
Oct 18, 2026
NVD status
Deferred

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CVE-2025-12842: Medium severity, CVSS 5.3 | Vulnix