Booking Plugin for WordPress Appointments – Time Slot <= 1.4.7 - Unauthenticated Arbitrary Email Sending
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Md. Moniruzzaman Prodhan
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/087b6943-5da8-44fe-8614-832768444178?source=cve
- https://plugins.trac.wordpress.org/browser/timeslot/tags/1.4.6/public/form/email.php#L21
- https://plugins.trac.wordpress.org/browser/timeslot/tags/1.4.6/public/form/email.php#L23
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3397527%40timeslot&new=3397527%40timeslot&sfp_email=&sfph_mail=
Affected Vendor
timeslotplugins
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