{"id":"CVE-2026-87891","state":"PUBLISHED","title":"Rox Appointment Booking < 1.2.0 - Unauthenticated Holiday Schedule Modification via REST API","description":"The Rox Appointment Booking  WordPress plugin before 1.2.0 does not perform any capability or authorization check when saving its holiday schedule, allowing unauthenticated attackers to overwrite the dates the booking system treats as unavailable, which can block legitimate bookings or open dates the site owner intended to keep closed.","publishedAt":"2026-09-12T06:00:12.844Z","updatedAt":"2026-09-12T15:29:25.825Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","source":"CISA-ADP"},"assigner":"WPScan","products":["Unknown Rox Appointment Booking"],"affected":[{"vendor":"Unknown","product":"Rox Appointment Booking","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.2.0","versionType":"semver"}]}],"references":["https://wpscan.com/vulnerability/e7f3b29e-2503-41bb-b15c-3c0ef71a3a00/"],"weaknesses":["CWE-284"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/87xxx/CVE-2026-87891.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-87891","state":"PUBLISHED","datePublished":"2026-09-12T06:00:12.844Z","dateUpdated":"2026-09-12T15:29:25.825Z","assignerShortName":"WPScan","assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateReserved":"2026-09-09T14:54:38.167Z"},"containers":{"cna":{"title":"Rox Appointment Booking < 1.2.0 - Unauthenticated Holiday Schedule Modification via REST API","descriptions":[{"lang":"en","value":"The Rox Appointment Booking  WordPress plugin before 1.2.0 does not perform any capability or authorization check when saving its holiday schedule, allowing unauthenticated attackers to overwrite the dates the booking system treats as unavailable, which can block legitimate bookings or open dates the site owner intended to keep closed."}],"affected":[{"vendor":"Unknown","product":"Rox Appointment Booking","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.2.0","versionType":"semver"}]}],"references":[{"url":"https://wpscan.com/vulnerability/e7f3b29e-2503-41bb-b15c-3c0ef71a3a00/","tags":["exploit","vdb-entry","technical-description"]}],"problemTypes":[{"descriptions":[{"description":"CWE-284 Improper Access Control","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"WPScan","orgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateUpdated":"2026-09-12T06:00:12.844Z"},"credits":[{"lang":"en","value":"Pedro Pinho","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":6.5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","integrityImpact":"LOW","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"LOW","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-09-12T15:15:56.284102Z","id":"CVE-2026-87891","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-284","type":"CWE","lang":"en","description":"CWE-284 Improper Access Control"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-12T15:29:25.825Z"}}]}}}