{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-52837", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-08T18:41:27.723Z", "datePublished": "2026-07-14T14:48:26.692Z", "dateUpdated": "2026-07-29T16:28:13.175Z"}, "containers": {"cna": {"title": "Easy!Appointments has unauthenticated customer PII disclosure on booking reschedule page", "problemTypes": [{"descriptions": [{"cweId": "CWE-200", "lang": "en", "description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-639", "lang": "en", "description": "CWE-639: Authorization Bypass Through User-Controlled Key", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.9, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/alextselegidis/easyappointments/security/advisories/GHSA-xgr6-pqjv-3pf8", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/alextselegidis/easyappointments/security/advisories/GHSA-xgr6-pqjv-3pf8"}, {"name": "https://github.com/alextselegidis/easyappointments/commit/40bb0b31b531540bc9006efce4220eb0a437ed2b", "tags": ["x_refsource_MISC"], "url": "https://github.com/alextselegidis/easyappointments/commit/40bb0b31b531540bc9006efce4220eb0a437ed2b"}], "affected": [{"vendor": "alextselegidis", "product": "easyappointments", "versions": [{"version": "< 1.6.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-29T16:28:13.175Z"}, "descriptions": [{"lang": "en", "value": "Easy!Appointments is a self hosted appointment scheduler. In versions up to and including 1.5.2, the booking reschedule view at `/index.php/booking/reschedule/{appointment_hash}` (handled by `Booking::index()`) embeds the entire customer record as inline JavaScript (`const vars = {... \"customer_data\": {...}, ...}`) without authentication and without field whitelisting. Anyone in possession of the 12-character `appointment_hash` \u2014 which appears in plain text in reschedule emails, confirmation page URLs, and operator-side calendar links \u2014 can read every column of that customer's row in the `ea_users` table. Version 1.6.0 contains a patch."}], "source": {"advisory": "GHSA-xgr6-pqjv-3pf8", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/alextselegidis/easyappointments/security/advisories/GHSA-xgr6-pqjv-3pf8", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-21T18:45:20.387447Z", "id": "CVE-2026-52837", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-21T18:45:39.146Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-52837", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-21T18:45:20.387447Z"}}}], "references": [{"url": "https://github.com/alextselegidis/easyappointments/security/advisories/GHSA-xgr6-pqjv-3pf8", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-21T18:44:58.345Z"}}], "cna": {"title": "Easy!Appointments has unauthenticated customer PII disclosure on booking reschedule page", "source": {"advisory": "GHSA-xgr6-pqjv-3pf8", "discovery": "UNKNOWN"}, "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 6.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "LOW"}}], "affected": [{"vendor": "alextselegidis", "product": "easyappointments", "versions": [{"status": "affected", "version": "< 1.6.0"}]}], "references": [{"url": "https://github.com/alextselegidis/easyappointments/security/advisories/GHSA-xgr6-pqjv-3pf8", "name": "https://github.com/alextselegidis/easyappointments/security/advisories/GHSA-xgr6-pqjv-3pf8", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/alextselegidis/easyappointments/commit/40bb0b31b531540bc9006efce4220eb0a437ed2b", "name": "https://github.com/alextselegidis/easyappointments/commit/40bb0b31b531540bc9006efce4220eb0a437ed2b", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Easy!Appointments is a self hosted appointment scheduler. In versions up to and including 1.5.2, the booking reschedule view at `/index.php/booking/reschedule/{appointment_hash}` (handled by `Booking::index()`) embeds the entire customer record as inline JavaScript (`const vars = {... \"customer_data\": {...}, ...}`) without authentication and without field whitelisting. Anyone in possession of the 12-character `appointment_hash` \u2014 which appears in plain text in reschedule emails, confirmation page URLs, and operator-side calendar links \u2014 can read every column of that customer's row in the `ea_users` table. Version 1.6.0 contains a patch."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-200", "description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-639", "description": "CWE-639: Authorization Bypass Through User-Controlled Key"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-29T16:28:13.175Z"}}}, "cveMetadata": {"cveId": "CVE-2026-52837", "state": "PUBLISHED", "dateUpdated": "2026-07-29T16:28:13.175Z", "dateReserved": "2026-06-08T18:41:27.723Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-07-14T14:48:26.692Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "easyappointments", "vendor": "alextselegidis", "versions": [{"status": "affected", "version": "< 1.6.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Easy!Appointments is a self hosted appointment scheduler. In versions up to and including 1.5.2, the booking reschedule view at `/index.php/booking/reschedule/{appointment_hash}` (handled by `Booking::index()`) embeds the entire customer record as inline JavaScript (`const vars = {... \"customer_data\": {...}, ...}`) without authentication and without field whitelisting. Anyone in possession of the 12-character `appointment_hash` \u2014 which appears in plain text in reschedule emails, confirmation page URLs, and operator-side calendar links \u2014 can read every column of that customer's row in the `ea_users` table. Version 1.6.0 contains a patch."}], "id": "CVE-2026-52837", "lastModified": "2026-07-29T17:16:52.373", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.9, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-52837", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-21T18:45:20.387447Z", "version": "2.0.3"}}]}, "published": "2026-07-14T15:17:04.170", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/alextselegidis/easyappointments/commit/40bb0b31b531540bc9006efce4220eb0a437ed2b"}, {"source": "security-advisories@github.com", "url": "https://github.com/alextselegidis/easyappointments/security/advisories/GHSA-xgr6-pqjv-3pf8"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/alextselegidis/easyappointments/security/advisories/GHSA-xgr6-pqjv-3pf8"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}, {"lang": "en", "value": "CWE-639"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.6.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "easyappointments", "source": "cna", "vendor": "alextselegidis"}, "product": "easyappointments", "vendor": "alextselegidis"}], "created": "2026-07-14T16:45:04.163189+00:00", "updated": "2026-07-31T10:30:17.975236+00:00", "vendors": ["alextselegidis", "alextselegidis$PRODUCT$easyappointments"]}