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CVE-2025-12842

MEDIUM

5.3

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.

CVE Details

CVSS v3.1 Score5.3

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published11/19/2025

Last Modified11/19/2025

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-20

References

https://plugins.trac.wordpress.org/browser/timeslot/tags/1.4.6/public/form/email.php#L21(security@wordfence.com)

https://plugins.trac.wordpress.org/browser/timeslot/tags/1.4.6/public/form/email.php#L23(security@wordfence.com)

https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3397527%40timeslot&new=3397527%40timeslot&sfp_email=&sfph_mail=(security@wordfence.com)

https://www.wordfence.com/threat-intel/vulnerabilities/id/087b6943-5da8-44fe-8614-832768444178?source=cve(security@wordfence.com)

IOC Correlations

No correlations recorded

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