{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-86838", "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "state": "PUBLISHED", "assignerShortName": "WPScan", "dateReserved": "2026-09-08T14:42:34.349Z", "datePublished": "2026-09-28T06:19:20.567Z", "dateUpdated": "2026-09-28T15:32:11.498Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "shortName": "WPScan", "dateUpdated": "2026-09-28T06:19:20.567Z"}, "title": "Bookly < 28.3 - Unauthenticated Payment Bypass via Booking Price Manipulation", "problemTypes": [{"descriptions": [{"description": "CWE-472 External Control of Assumed-Immutable Web Parameter", "lang": "en", "type": "CWE"}]}], "affected": [{"vendor": "Unknown", "product": "Bookly", "versions": [{"status": "affected", "versionType": "semver", "version": "0", "lessThan": "28.3"}], "defaultStatus": "unaffected", "collectionURL": "https://wordpress.org/plugins"}], "descriptions": [{"lang": "en", "value": "The Bookly WordPress plugin before 28.3 does not validate client-supplied booking quantity values on the server before computing the appointment total, allowing unauthenticated users to reduce the total to zero and book paid services for free while bypassing the payment step."}], "references": [{"url": "https://wpscan.com/vulnerability/1c8a53e7-5556-4dcb-a461-c6df253d0b7a/", "tags": ["exploit", "vdb-entry", "technical-description"]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM"}}], "credits": [{"lang": "en", "value": "vuxvinh", "type": "finder"}, {"lang": "en", "value": "WPScan", "type": "coordinator"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "WPScan CVE Generator"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-86838", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-28T15:31:38.695367Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-472", "description": "CWE-472 External Control of Assumed-Immutable Web Parameter"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-28T15:32:11.498Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-86838", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-28T15:31:38.695367Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-472", "description": "CWE-472 External Control of Assumed-Immutable Web Parameter"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-28T15:31:15.362Z"}}], "cna": {"title": "Bookly < 28.3 - Unauthenticated Payment Bypass via Booking Price Manipulation", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "vuxvinh"}, {"lang": "en", "type": "coordinator", "value": "WPScan"}], "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 5.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"}}], "affected": [{"vendor": "Unknown", "product": "Bookly", "versions": [{"status": "affected", "version": "0", "lessThan": "28.3", "versionType": "semver"}], "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected"}], "references": [{"url": "https://wpscan.com/vulnerability/1c8a53e7-5556-4dcb-a461-c6df253d0b7a/", "tags": ["exploit", "vdb-entry", "technical-description"]}], "x_generator": {"engine": "WPScan CVE Generator"}, "descriptions": [{"lang": "en", "value": "The Bookly WordPress plugin before 28.3 does not validate client-supplied booking quantity values on the server before computing the appointment total, allowing unauthenticated users to reduce the total to zero and book paid services for free while bypassing the payment step."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "description": "CWE-472 External Control of Assumed-Immutable Web Parameter"}]}], "providerMetadata": {"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "shortName": "WPScan", "dateUpdated": "2026-09-28T06:19:20.567Z"}}}, "cveMetadata": {"cveId": "CVE-2026-86838", "state": "PUBLISHED", "dateUpdated": "2026-09-28T15:32:11.498Z", "dateReserved": "2026-09-08T14:42:34.349Z", "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "datePublished": "2026-09-28T06:19:20.567Z", "assignerShortName": "WPScan"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected", "product": "Bookly", "vendor": "Unknown", "versions": [{"lessThan": "28.3", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "contact@wpscan.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Bookly WordPress plugin before 28.3 does not validate client-supplied booking quantity values on the server before computing the appointment total, allowing unauthenticated users to reduce the total to zero and book paid services for free while bypassing the payment step."}], "id": "CVE-2026-86838", "lastModified": "2026-09-28T16:38:58.950", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "contact@wpscan.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-86838", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-28T15:31:38.695367Z", "version": "2.0.3"}}]}, "published": "2026-09-28T07:17:20.953", "references": [{"source": "contact@wpscan.com", "url": "https://wpscan.com/vulnerability/1c8a53e7-5556-4dcb-a461-c6df253d0b7a/"}], "sourceIdentifier": "contact@wpscan.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-472"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,28.3)"}}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}]}, "original": {"product": "Bookly", "source": "cna", "vendor": "Unknown"}, "product": "bookly", "vendor": "wordpress-extensions"}], "created": "2026-09-28T08:00:15.127209+00:00", "updated": "2026-09-28T19:42:37.699031+00:00", "vendors": ["wordpress-extensions", "wordpress-extensions$PRODUCT$bookly"]}