{"id":"CVE-2026-16540","state":"PUBLISHED","title":"Simply Schedule Appointments < 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.","publishedAt":"2026-08-02T06:00:13.123Z","updatedAt":"2026-08-03T17:49:00.837Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","source":"CISA-ADP"},"assigner":"WPScan","products":["Unknown Simply Schedule Appointments"],"affected":[{"vendor":"Unknown","product":"Simply Schedule Appointments","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.6.12.6","versionType":"semver"}]}],"references":["https://wpscan.com/vulnerability/c3829294-c388-4151-9e25-a3eac7b1f1c6/"],"weaknesses":["CWE-863"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/16xxx/CVE-2026-16540.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-16540","state":"PUBLISHED","datePublished":"2026-08-02T06:00:13.123Z","dateUpdated":"2026-08-03T17:49:00.837Z","assignerShortName":"WPScan","assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateReserved":"2026-07-22T09:38:49.604Z"},"containers":{"cna":{"title":"Simply Schedule Appointments < 1.6.12.6 - Unauthenticated Appointment Data Disclosure and Mass Deletion via purge Endpoint","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Unknown","product":"Simply Schedule Appointments","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.6.12.6","versionType":"semver"}]}],"references":[{"url":"https://wpscan.com/vulnerability/c3829294-c388-4151-9e25-a3eac7b1f1c6/","tags":["exploit","vdb-entry","technical-description"]}],"problemTypes":[{"descriptions":[{"description":"CWE-863 Incorrect Authorization","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"WPScan","orgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateUpdated":"2026-08-02T06:00:13.123Z"},"credits":[{"lang":"en","value":"Suleyman Huseynov","type":"finder"},{"lang":"en","value":"WPScan","type":"coordinator"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"WPScan CVE Generator"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-08-03T17:48:36.264208Z","id":"CVE-2026-16540","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-863","type":"CWE","lang":"en","description":"CWE-863 Incorrect Authorization"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-03T17:49:00.837Z"}}]}}}