{"id":"CVE-2025-12842","aliases":["EUVD-2025-198105","GHSA-474f-9w4x-43hr"],"status":"published","title":"Booking Plugin for WordPress Appointments – Time Slot \u003c= 1.4.7 - Unauthenticated Arbitrary Email Sending","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.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0031,"percentile":0.24136,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2025-11-19T05:45:10Z","modified":"2026-10-18T20:10:00Z","products":[{"vendor":"timeslotplugins","product":"time slot – booking and appointment system"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/087b6943-5da8-44fe-8614-832768444178?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/timeslot/tags/1.4.6/public/form/email.php#L21"},{"url":"https://plugins.trac.wordpress.org/browser/timeslot/tags/1.4.6/public/form/email.php#L23"},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026old=3397527%40timeslot\u0026new=3397527%40timeslot\u0026sfp_email=\u0026sfph_mail="},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-12842"},{"url":"https://github.com/advisories/GHSA-474f-9w4x-43hr"}],"sources":{"cve":[{"id":"CVE-2025-12842","title":"Booking Plugin for WordPress Appointments – Time Slot \u003c= 1.4.7 - Unauthenticated Arbitrary Email Sending","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.","status":"published","published":"2025-11-19T05:45:10.444Z","modified":"2026-04-08T16:34:15.985Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:32:42.078906Z"}],"euvd":[{"id":"EUVD-2025-198105","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.","status":"published","published":"2025-11-19T05:45:10Z","modified":"2026-04-08T16:34:15Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:25:10.76969Z"}],"ghsa":[{"id":"GHSA-474f-9w4x-43hr","title":"The Booking Plugin for WordPress Appointments – Time Slot plugin for WordPress is vulnerable to...","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.","status":"published","published":"2025-11-19T06:31:12Z","modified":"2025-11-19T06:31:19Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:04:51.826106Z"}],"nvd":[{"id":"CVE-2025-12842","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.","status":"published","published":"2025-11-19T06:15:46.99Z","modified":"2026-10-18T20:10:00.11Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:11:44.669367Z"}]}}