{"id":"CVE-2026-16282","state":"PUBLISHED","title":"Appointment Hour Booking < 1.5.88 - Unauthenticated Booking Price Manipulation via tcost Parameter","description":"The Appointment Hour Booking  WordPress plugin before 1.5.88 does not validate a client-supplied booking price against the server-side configured service price, allowing unauthenticated users to submit an arbitrary final price (including zero or negative) that is stored as the authoritative booking price, corrupting booking and payment records.","publishedAt":"2026-08-08T06:00:10.896Z","updatedAt":"2026-08-11T19:34:02.056Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","source":"CISA-ADP"},"assigner":"WPScan","products":["Unknown Appointment Hour Booking"],"affected":[{"vendor":"Unknown","product":"Appointment Hour Booking","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.5.88","versionType":"semver"}]}],"references":["https://wpscan.com/vulnerability/e87116af-d202-434b-9f47-e61e9c886240/"],"weaknesses":["CWE-287"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/16xxx/CVE-2026-16282.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-16282","state":"PUBLISHED","datePublished":"2026-08-08T06:00:10.896Z","dateUpdated":"2026-08-11T19:34:02.056Z","assignerShortName":"WPScan","assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateReserved":"2026-07-20T10:58:19.374Z"},"containers":{"cna":{"title":"Appointment Hour Booking < 1.5.88 - Unauthenticated Booking Price Manipulation via tcost Parameter","descriptions":[{"lang":"en","value":"The Appointment Hour Booking  WordPress plugin before 1.5.88 does not validate a client-supplied booking price against the server-side configured service price, allowing unauthenticated users to submit an arbitrary final price (including zero or negative) that is stored as the authoritative booking price, corrupting booking and payment records."}],"affected":[{"vendor":"Unknown","product":"Appointment Hour Booking","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.5.88","versionType":"semver"}]}],"references":[{"url":"https://wpscan.com/vulnerability/e87116af-d202-434b-9f47-e61e9c886240/","tags":["exploit","vdb-entry","technical-description"]}],"problemTypes":[{"descriptions":[{"description":"CWE-287 Improper Authentication","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"WPScan","orgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateUpdated":"2026-08-08T06:00:10.896Z"},"credits":[{"lang":"en","value":"Researcher1: Alessandro Greco aka Aleff; Researcher2: Giovambattista Ianni; Company/Organization: University of Calabria (UNICAL)","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":5.3,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","integrityImpact":"LOW","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-08-11T19:33:58.334692Z","id":"CVE-2026-16282","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-287","type":"CWE","lang":"en","description":"CWE-287 Improper Authentication"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-11T19:34:02.056Z"}}]}}}