{"id":"CVE-2023-33562","aliases":["EUVD-2023-37719","GHSA-3xw6-mxf4-w278"],"status":"published","title":"User enumeration is found in in PHP Jabbers Time Slots Booking Calendar v3.3. This issue occurs...","description":"User enumeration is found in in PHP Jabbers Time Slots Booking Calendar v3.3. 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":0.00765,"percentile":0.55723,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2023-08-01T00:00:00Z","modified":"2026-06-17T06:01:56Z","products":[{"vendor":"phpjabbers","product":"time_slots_booking_calendar"}],"references":[{"url":"https://www.phpjabbers.com/time-slots-booking-calendar/","tags":["x_transferred","Product"]},{"url":"https://medium.com/%40bcksec/multiple-vulnerabilities-in-php-jabbers-scripts-25af4afcadd4","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-33562"},{"url":"https://medium.com/@bcksec/multiple-vulnerabilities-in-php-jabbers-scripts-25af4afcadd4"},{"url":"https://www.phpjabbers.com/time-slots-booking-calendar"},{"url":"https://github.com/advisories/GHSA-3xw6-mxf4-w278"}],"sources":{"cve":[{"id":"CVE-2023-33562","description":"User enumeration is found in in PHP Jabbers Time Slots Booking Calendar v3.3. 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":"2023-08-01T00:00:00Z","modified":"2024-10-21T13:47:08.97Z","updated_at":"2026-11-02T14:35:34.170609Z"}],"euvd":[{"id":"EUVD-2023-37719","description":"User enumeration is found in in PHP Jabbers Time Slots Booking Calendar v3.3. 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":"2023-08-01T00:00:00Z","modified":"2024-10-21T13:47:08Z","updated_at":"2026-11-03T00:27:32.038051Z"}],"ghsa":[{"id":"GHSA-3xw6-mxf4-w278","title":"User enumeration is found in in PHP Jabbers Time Slots Booking Calendar v3.3. This issue occurs...","description":"User enumeration is found in in PHP Jabbers Time Slots Booking Calendar v3.3. 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":"2023-08-02T00:30:39Z","modified":"2024-04-04T06:28:54Z","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"}],"updated_at":"2026-11-02T14:56:42.669106Z"}],"nvd":[{"id":"CVE-2023-33562","description":"User enumeration is found in in PHP Jabbers Time Slots Booking Calendar v3.3. 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":"2023-08-01T23:15:29.293Z","modified":"2026-06-17T06:01:56.29Z","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"}],"updated_at":"2026-11-02T14:08:18.687088Z"}]}}