{"id":"CVE-2025-12787","aliases":["EUVD-2025-84362","GHSA-xj4g-rjq9-vrx7"],"status":"published","title":"Hydra Booking – All in One Appointment Booking System | Appointment Scheduling, Booking Calendar \u0026 WooCommerce Bookings \u003c= 1.1.27 - Unauthenticated Arbitrary Booking Cancellation via Weak Hash Generation","description":"The Hydra Booking — Appointment Scheduling \u0026 Booking Calendar plugin for WordPress is vulnerable to unauthorized booking cancellation in all versions up to, and including, 1.1.27. This is due to the plugin's \"tfhb_meeting_form_submit_callback\" function using insufficiently random values to generate booking cancellation tokens, combined with a globally shared nonce. This makes it possible for unauthenticated attackers to cancel arbitrary bookings via brute force attacks against the tfhb_meeting_form_cencel AJAX endpoint.","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":"2026-11-10","score":0.00312,"percentile":0.2436,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-330"],"published":"2025-11-11T11:03:45Z","modified":"2026-10-18T21:10:00Z","products":[{"vendor":"themefic","product":"hydra booking — appointment scheduling \u0026 booking calendar"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/490dd84f-7c03-43c7-b4e1-167fa2b15c03?source=cve"},{"url":"https://plugins.trac.wordpress.org/changeset/3392864/hydra-booking/tags/1.1.28/app/Shortcode/HydraBookingShortcode.php?old=3392467\u0026old_path=hydra-booking%2Ftags%2F1.1.27%2Fapp%2FShortcode%2FHydraBookingShortcode.php"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-12787"},{"url":"https://github.com/advisories/GHSA-xj4g-rjq9-vrx7"}],"sources":{"cve":[{"id":"CVE-2025-12787","title":"Hydra Booking – All in One Appointment Booking System | Appointment Scheduling, Booking Calendar \u0026 WooCommerce Bookings \u003c= 1.1.27 - Unauthenticated Arbitrary Booking Cancellation via Weak Hash Generation","description":"The Hydra Booking — Appointment Scheduling \u0026 Booking Calendar plugin for WordPress is vulnerable to unauthorized booking cancellation in all versions up to, and including, 1.1.27. This is due to the plugin's \"tfhb_meeting_form_submit_callback\" function using insufficiently random values to generate booking cancellation tokens, combined with a globally shared nonce. This makes it possible for unauthenticated attackers to cancel arbitrary bookings via brute force attacks against the tfhb_meeting_form_cencel AJAX endpoint.","status":"published","published":"2025-11-11T11:03:45.316Z","modified":"2026-04-08T16:50:23.131Z","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-330"],"updated_at":"2026-11-02T14:32:42.078906Z"}],"euvd":[{"id":"EUVD-2025-84362","description":"The Hydra Booking — Appointment Scheduling \u0026 Booking Calendar plugin for WordPress is vulnerable to unauthorized booking cancellation in all versions up to, and including, 1.1.27. This is due to the plugin's \"tfhb_meeting_form_submit_callback\" function using insufficiently random values to generate booking cancellation tokens, combined with a globally shared nonce. This makes it possible for unauthenticated attackers to cancel arbitrary bookings via brute force attacks against the tfhb_meeting_form_cencel AJAX endpoint.","status":"published","published":"2025-11-11T11:03:45Z","modified":"2026-04-08T16:50:23Z","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":"2026-11-02T19:25:00.379528Z"}],"ghsa":[{"id":"GHSA-xj4g-rjq9-vrx7","title":"The Hydra Booking — Appointment Scheduling \u0026 Booking Calendar plugin for WordPress is vulnerable...","description":"The Hydra Booking — Appointment Scheduling \u0026 Booking Calendar plugin for WordPress is vulnerable to unauthorized booking cancellation in all versions up to, and including, 1.1.27. This is due to the plugin's \"tfhb_meeting_form_submit_callback\" function using insufficiently random values to generate booking cancellation tokens, combined with a globally shared nonce. This makes it possible for unauthenticated attackers to cancel arbitrary bookings via brute force attacks against the tfhb_meeting_form_cencel AJAX endpoint.","status":"published","published":"2025-11-11T12:30:18Z","modified":"2025-11-11T12:30:24Z","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-330"],"updated_at":"2026-11-02T15:04:44.661811Z"}],"nvd":[{"id":"CVE-2025-12787","description":"The Hydra Booking — Appointment Scheduling \u0026 Booking Calendar plugin for WordPress is vulnerable to unauthorized booking cancellation in all versions up to, and including, 1.1.27. This is due to the plugin's \"tfhb_meeting_form_submit_callback\" function using insufficiently random values to generate booking cancellation tokens, combined with a globally shared nonce. This makes it possible for unauthenticated attackers to cancel arbitrary bookings via brute force attacks against the tfhb_meeting_form_cencel AJAX endpoint.","status":"published","published":"2025-11-11T11:15:34.673Z","modified":"2026-10-18T21:10:00.12Z","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-330"],"updated_at":"2026-11-02T14:11:42.870953Z"}]}}