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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.

PUBLISHED Reserved 2025-11-06 | Published 2025-11-19 | Updated 2025-11-19 | Assigner Wordfence




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

Problem types

CWE-20 Improper Input Validation

Product status

Default status
unaffected

* (semver)
affected

Timeline

2025-11-06:Vendor Notified
2025-11-18:Disclosed

Credits

Md. Moniruzzaman Prodhan finder

References

www.wordfence.com/...-5da8-44fe-8614-832768444178?source=cve

plugins.trac.wordpress.org/...gs/1.4.6/public/form/email.php

plugins.trac.wordpress.org/...gs/1.4.6/public/form/email.php

plugins.trac.wordpress.org/...timeslot&sfp_email=&sfph_mail=

cve.org (CVE-2025-12842)

nvd.nist.gov (CVE-2025-12842)

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