{"id":"CVE-2026-86841","state":"PUBLISHED","title":"Bookly 23.2 - 28.2 - Bookly Administrator+ PHP Object Injection via Diagnostics Advanced Options","description":"The Online Scheduling and Appointment Booking System  WordPress plugin before 28.3 does not prevent deserialization of untrusted input and does not correctly restrict a privileged maintenance feature to administrators, allowing users granted a custom booking-management capability, which an administrator must explicitly assign, to inject arbitrary PHP objects, overwrite privileged site options, and read stored integration secrets.","publishedAt":"2026-09-27T06:00:20.482Z","updatedAt":"2026-09-28T00:48:08.749Z","severity":{"score":4.7,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","source":"CISA-ADP"},"assigner":"WPScan","products":["Unknown Online Scheduling and Appointment Booking System"],"affected":[{"vendor":"Unknown","product":"Online Scheduling and Appointment Booking System","defaultStatus":"unaffected","versions":[{"version":"23.2","status":"affected","lessThan":"28.3","versionType":"semver"}]}],"references":["https://wpscan.com/vulnerability/2150717e-7564-4b29-b2e7-362dd3b480c3/"],"weaknesses":["CWE-502"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/86xxx/CVE-2026-86841.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-86841","state":"PUBLISHED","datePublished":"2026-09-27T06:00:20.482Z","dateUpdated":"2026-09-28T00:48:08.749Z","assignerShortName":"WPScan","assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateReserved":"2026-09-08T14:44:08.802Z"},"containers":{"cna":{"title":"Bookly 23.2 - 28.2 - Bookly Administrator+ PHP Object Injection via Diagnostics Advanced Options","descriptions":[{"lang":"en","value":"The Online Scheduling and Appointment Booking System  WordPress plugin before 28.3 does not prevent deserialization of untrusted input and does not correctly restrict a privileged maintenance feature to administrators, allowing users granted a custom booking-management capability, which an administrator must explicitly assign, to inject arbitrary PHP objects, overwrite privileged site options, and read stored integration secrets."}],"affected":[{"vendor":"Unknown","product":"Online Scheduling and Appointment Booking System","defaultStatus":"unaffected","versions":[{"version":"23.2","status":"affected","lessThan":"28.3","versionType":"semver"}]}],"references":[{"url":"https://wpscan.com/vulnerability/2150717e-7564-4b29-b2e7-362dd3b480c3/","tags":["exploit","vdb-entry","technical-description"]}],"problemTypes":[{"descriptions":[{"description":"CWE-502 Deserialization of Untrusted Data","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"WPScan","orgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateUpdated":"2026-09-27T06:00:20.482Z"},"credits":[{"lang":"en","value":"Muni Nitish Kumar Yaddala","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":4.7,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","integrityImpact":"LOW","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"LOW","privilegesRequired":"HIGH","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"id":"CVE-2026-86841","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-09-28T00:39:32.339944Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-502","lang":"en","type":"CWE","description":"CWE-502 Deserialization of Untrusted Data"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-28T00:48:08.749Z"}}]}}}