CVE Catalog

CVE-2025-12842

MediumCVSS 5.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.29%

20th percentile - higher than 20% of all known CVEs

Summary

The Booking Plugin for WordPress Appointments – Time Slot plugin in versions up to and including 1.4.7 is vulnerable to unauthorized email sending due to missing validation on the 'tslot_appt_email' AJAX action. This allows unauthenticated attackers to send appointment notification emails to arbitrary recipients with attacker-controlled text content.

Risk Assessment

This could lead to the site being abused for phishing campaigns or spam distribution, damaging the organization's reputation.

Recommendation

Update the plugin to the latest version (above 1.4.7) or remove it if not in use.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS