{"id":"CVE-2023-40760","aliases":["EUVD-2023-45313","GHSA-vq87-96qv-fgrg"],"status":"published","title":"User enumeration is found in PHP Jabbers Hotel Booking System v4.0. This issue occurs during...","description":"User enumeration is found in PHP Jabbers Hotel Booking System v4.0. This issue occurs during password recovery, where a difference in messages could allow an attacker to determine if the user is valid or not, enabling a brute force attack with valid users.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00891,"percentile":0.59663,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-209"],"published":"2023-08-28T00:00:00Z","modified":"2026-06-17T06:19:24Z","products":[{"vendor":"phpjabbers","product":"hotel_booking_system"}],"references":[{"url":"https://www.phpjabbers.com/hotel-booking-system/","tags":["x_transferred","Product"]},{"url":"https://medium.com/%40mfortinsec/multiple-vulnerabilities-in-phpjabbers-part-3-40fc3565982f","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-40760"},{"url":"https://medium.com/@mfortinsec/multiple-vulnerabilities-in-phpjabbers-part-3-40fc3565982f"},{"url":"https://www.phpjabbers.com/hotel-booking-system"},{"url":"https://github.com/advisories/GHSA-vq87-96qv-fgrg"}],"sources":{"cve":[{"id":"CVE-2023-40760","description":"User enumeration is found in PHP Jabbers Hotel Booking System v4.0. This issue occurs during password recovery, where a difference in messages could allow an attacker to determine if the user is valid or not, enabling a brute force attack with valid users.","status":"published","published":"2023-08-28T00:00:00Z","modified":"2024-10-02T15:38:11.049Z","updated_at":"2026-11-02T14:35:21.971258Z"}],"euvd":[{"id":"EUVD-2023-45313","description":"User enumeration is found in PHP Jabbers Hotel Booking System v4.0. This issue occurs during password recovery, where a difference in messages could allow an attacker to determine if the user is valid or not, enabling a brute force attack with valid users.","status":"published","published":"2023-08-28T00:00:00Z","modified":"2024-10-02T15:38:11Z","updated_at":"2026-11-03T00:27:58.959241Z"}],"ghsa":[{"id":"GHSA-vq87-96qv-fgrg","title":"User enumeration is found in PHP Jabbers Hotel Booking System v4.0. This issue occurs during...","description":"User enumeration is found in PHP Jabbers Hotel Booking System v4.0. This issue occurs during password recovery, where a difference in messages could allow an attacker to determine if the user is valid or not, enabling a brute force attack with valid users.","status":"published","published":"2023-08-28T15:30:17Z","modified":"2024-04-04T07:14:28Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-209"],"updated_at":"2026-11-02T14:56:49.265207Z"}],"nvd":[{"id":"CVE-2023-40760","description":"User enumeration is found in PHP Jabbers Hotel Booking System v4.0. This issue occurs during password recovery, where a difference in messages could allow an attacker to determine if the user is valid or not, enabling a brute force attack with valid users.","status":"published","published":"2023-08-28T13:15:10.267Z","modified":"2026-06-17T06:19:24.333Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-209"],"updated_at":"2026-11-02T14:08:25.025396Z"}]}}