{"id":"CVE-2026-16540","aliases":["EUVD-2026-51951","GHSA-j5pv-734r-xv95"],"status":"published","title":"Simply Schedule Appointments \u003c 1.6.12.6 - Unauthenticated Appointment Data Disclosure and Mass Deletion via purge Endpoint","description":"The Simply Schedule Appointments WordPress plugin before 1.6.12.6 does not correctly restrict a bulk appointment operation to the requester's own records, allowing unauthenticated users to retrieve the personal data of all appointments across the site and, on premium editions, to permanently delete them.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00406,"percentile":0.35258,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-863"],"published":"2026-08-02T06:00:13Z","modified":"2026-08-26T16:31:36Z","exploits":[{"source":"pocgithub","id":"huseyn0vs/CVE-2026-16540-SimplyScheduleAppointments","title":"huseyn0vs/CVE-2026-16540-SimplyScheduleAppointments","date":"2026-07-22","url":"https://github.com/huseyn0vs/CVE-2026-16540-SimplyScheduleAppointments"}],"products":[{"vendor":"nsquared","product":"simply schedule appointments"},{"vendor":"unknown","product":"simply schedule appointments"}],"references":[{"url":"https://wpscan.com/vulnerability/c3829294-c388-4151-9e25-a3eac7b1f1c6/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16540"},{"url":"https://wpscan.com/vulnerability/c3829294-c388-4151-9e25-a3eac7b1f1c6"},{"url":"https://github.com/advisories/GHSA-j5pv-734r-xv95"}],"sources":{"cve":[{"id":"CVE-2026-16540","title":"Simply Schedule Appointments \u003c 1.6.12.6 - Unauthenticated Appointment Data Disclosure and Mass Deletion via purge Endpoint","description":"The Simply Schedule Appointments WordPress plugin before 1.6.12.6 does not correctly restrict a bulk appointment operation to the requester's own records, allowing unauthenticated users to retrieve the personal data of all appointments across the site and, on premium editions, to permanently delete them.","status":"published","published":"2026-08-02T06:00:13.123Z","modified":"2026-08-03T17:49:00.837Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:20:11.24076Z"}],"euvd":[{"id":"EUVD-2026-51951","description":"The Simply Schedule Appointments WordPress plugin before 1.6.12.6 does not correctly restrict a bulk appointment operation to the requester's own records, allowing unauthenticated users to retrieve the personal data of all appointments across the site and, on premium editions, to permanently delete them.","status":"published","published":"2026-08-02T06:00:13Z","modified":"2026-08-03T17:49:00Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T18:02:24.01774Z"}],"ghsa":[{"id":"GHSA-j5pv-734r-xv95","title":"The Simply Schedule Appointments WordPress plugin before 1.6.12.6 does not correctly restrict a...","description":"The Simply Schedule Appointments WordPress plugin before 1.6.12.6 does not correctly restrict a bulk appointment operation to the requester's own records, allowing unauthenticated users to retrieve the personal data of all appointments across the site and, on premium editions, to permanently delete them.","status":"published","published":"2026-08-02T06:30:23Z","modified":"2026-08-03T21:31:32Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:10:02.88062Z"}],"nvd":[{"id":"CVE-2026-16540","description":"The Simply Schedule Appointments WordPress plugin before 1.6.12.6 does not correctly restrict a bulk appointment operation to the requester's own records, allowing unauthenticated users to retrieve the personal data of all appointments across the site and, on premium editions, to permanently delete them.","status":"published","published":"2026-08-02T06:16:40.95Z","modified":"2026-08-26T16:31:36.75Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:12:34.290716Z"}]}}