Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/timeslot/tags/1.4.6/public/form/email
- https://plugins.trac.wordpress.org/browser/timeslot/tags/1.4.6/public/form/email
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old
- https://www.wordfence.com/threat-intel/vulnerabilities/id/087b6943-5da8-44fe-861
FAQ
What is CVE-2025-12842?
CVE-2025-12842 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 tslo...
How severe is CVE-2025-12842?
CVE-2025-12842 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-12842?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.