{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-11896", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-06-10T15:39:57.936Z", "datePublished": "2026-07-02T08:33:06.892Z", "dateUpdated": "2026-07-02T19:42:08.293Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-07-02T08:33:06.892Z"}, "affected": [{"vendor": "joedolson", "product": "My Calendar \u2013 Accessible Event Manager", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "3.7.14", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The My Calendar \u2013 Accessible Event Manager plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 3.7.14 via the 'vcal' parameter due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to enumerate occurrence IDs and access the full iCalendar export of non-public, draft, trashed, and personal calendar events, disclosing sensitive event metadata including titles, descriptions, dates, locations, organizer and host details, permalinks, and related calendar metadata."}], "title": "My Calendar <= 3.7.14 - Insecure Direct Object Reference to Unauthenticated Sensitive Information Disclosure via 'vcal' Parameter", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/a72639df-fa05-414c-b30c-eb285f59d945?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/my-calendar/tags/3.7.14/my-calendar-api.php#L212"}, {"url": "https://plugins.trac.wordpress.org/browser/my-calendar/tags/3.7.14/my-calendar.php#L209"}, {"url": "https://plugins.trac.wordpress.org/browser/my-calendar/tags/3.7.14/my-calendar-api.php#L246"}, {"url": "https://plugins.trac.wordpress.org/browser/my-calendar/tags/3.7.14/my-calendar-events.php#L748"}, {"url": "https://plugins.trac.wordpress.org/browser/my-calendar/tags/3.7.14/includes/ical.php#L26"}, {"url": "https://plugins.trac.wordpress.org/browser/my-calendar/tags/3.7.14/includes/date-utilities.php#L417"}, {"url": "https://plugins.trac.wordpress.org/browser/my-calendar/trunk/my-calendar-api.php#L212"}, {"url": "https://plugins.trac.wordpress.org/browser/my-calendar/trunk/my-calendar.php#L209"}, {"url": "https://plugins.trac.wordpress.org/browser/my-calendar/trunk/my-calendar-api.php#L246"}, {"url": "https://plugins.trac.wordpress.org/browser/my-calendar/trunk/my-calendar-events.php#L748"}, {"url": "https://plugins.trac.wordpress.org/browser/my-calendar/trunk/includes/ical.php#L26"}, {"url": "https://plugins.trac.wordpress.org/browser/my-calendar/trunk/includes/date-utilities.php#L417"}, {"url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3572191%40my-calendar&new=3572191%40my-calendar&sfp_email=&sfph_mail="}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-639 Authorization Bypass Through User-Controlled Key", "cweId": "CWE-639", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM"}}], "credits": [{"lang": "en", "type": "finder", "value": "Athiwat Tiprasaharn (Jitlada)"}, {"lang": "en", "type": "finder", "value": "Tharadol Suksamran (d3kc4rt_1)"}], "timeline": [{"time": "2026-06-10T15:55:08.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-07-01T20:04:38.000Z", "lang": "en", "value": "Disclosed"}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-02T19:35:04.804313Z", "id": "CVE-2026-11896", "options": [{"Exploitation": "none"}, {"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": "2026-07-02T19:42:08.293Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-11896", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-02T19:35:04.804313Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-02T19:42:03.265Z"}}], "cna": {"title": "My Calendar <= 3.7.14 - Insecure Direct Object Reference to Unauthenticated Sensitive Information Disclosure via 'vcal' Parameter", "credits": [{"lang": "en", "type": "finder", "value": "Athiwat Tiprasaharn (Jitlada)"}, {"lang": "en", "type": "finder", "value": "Tharadol Suksamran (d3kc4rt_1)"}], "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:L/I:N/A:N"}}], "affected": [{"vendor": "joedolson", "product": "My Calendar \u2013 Accessible Event Manager", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "3.7.14"}], "defaultStatus": "unaffected"}], "timeline": [{"lang": "en", "time": "2026-06-10T15:55:08.000Z", "value": "Vendor Notified"}, {"lang": "en", "time": "2026-07-01T20:04:38.000Z", "value": "Disclosed"}], "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/a72639df-fa05-414c-b30c-eb285f59d945?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/my-calendar/tags/3.7.14/my-calendar-api.php#L212"}, {"url": "https://plugins.trac.wordpress.org/browser/my-calendar/tags/3.7.14/my-calendar.php#L209"}, {"url": "https://plugins.trac.wordpress.org/browser/my-calendar/tags/3.7.14/my-calendar-api.php#L246"}, {"url": "https://plugins.trac.wordpress.org/browser/my-calendar/tags/3.7.14/my-calendar-events.php#L748"}, {"url": "https://plugins.trac.wordpress.org/browser/my-calendar/tags/3.7.14/includes/ical.php#L26"}, {"url": "https://plugins.trac.wordpress.org/browser/my-calendar/tags/3.7.14/includes/date-utilities.php#L417"}, {"url": "https://plugins.trac.wordpress.org/browser/my-calendar/trunk/my-calendar-api.php#L212"}, {"url": "https://plugins.trac.wordpress.org/browser/my-calendar/trunk/my-calendar.php#L209"}, {"url": "https://plugins.trac.wordpress.org/browser/my-calendar/trunk/my-calendar-api.php#L246"}, {"url": "https://plugins.trac.wordpress.org/browser/my-calendar/trunk/my-calendar-events.php#L748"}, {"url": "https://plugins.trac.wordpress.org/browser/my-calendar/trunk/includes/ical.php#L26"}, {"url": "https://plugins.trac.wordpress.org/browser/my-calendar/trunk/includes/date-utilities.php#L417"}, {"url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3572191%40my-calendar&new=3572191%40my-calendar&sfp_email=&sfph_mail="}], "descriptions": [{"lang": "en", "value": "The My Calendar \u2013 Accessible Event Manager plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 3.7.14 via the 'vcal' parameter due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to enumerate occurrence IDs and access the full iCalendar export of non-public, draft, trashed, and personal calendar events, disclosing sensitive event metadata including titles, descriptions, dates, locations, organizer and host details, permalinks, and related calendar metadata."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-639", "description": "CWE-639 Authorization Bypass Through User-Controlled Key"}]}], "providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-07-02T08:33:06.892Z"}}}, "cveMetadata": {"cveId": "CVE-2026-11896", "state": "PUBLISHED", "dateUpdated": "2026-07-02T19:42:08.293Z", "dateReserved": "2026-06-10T15:39:57.936Z", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "datePublished": "2026-07-02T08:33:06.892Z", "assignerShortName": "Wordfence"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "My Calendar \u2013 Accessible Event Manager", "vendor": "joedolson", "versions": [{"lessThanOrEqual": "3.7.14", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The My Calendar \u2013 Accessible Event Manager plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 3.7.14 via the 'vcal' parameter due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to enumerate occurrence IDs and access the full iCalendar export of non-public, draft, trashed, and personal calendar events, disclosing sensitive event metadata including titles, descriptions, dates, locations, organizer and host details, permalinks, and related calendar metadata."}], "id": "CVE-2026-11896", "lastModified": "2026-07-02T20:17:00.593", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "security@wordfence.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-11896", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-02T19:35:04.804313Z", "version": "2.0.3"}}]}, "published": "2026-07-02T10:16:27.280", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/my-calendar/tags/3.7.14/includes/date-utilities.php#L417"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/my-calendar/tags/3.7.14/includes/ical.php#L26"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/my-calendar/tags/3.7.14/my-calendar-api.php#L212"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/my-calendar/tags/3.7.14/my-calendar-api.php#L246"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/my-calendar/tags/3.7.14/my-calendar-events.php#L748"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/my-calendar/tags/3.7.14/my-calendar.php#L209"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/my-calendar/trunk/includes/date-utilities.php#L417"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/my-calendar/trunk/includes/ical.php#L26"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/my-calendar/trunk/my-calendar-api.php#L212"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/my-calendar/trunk/my-calendar-api.php#L246"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/my-calendar/trunk/my-calendar-events.php#L748"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/my-calendar/trunk/my-calendar.php#L209"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3572191%40my-calendar&new=3572191%40my-calendar&sfp_email=&sfph_mail="}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/a72639df-fa05-414c-b30c-eb285f59d945?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}], "source": "security@wordfence.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,3.7.14]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "My Calendar \u2013 Accessible Event Manager", "source": "cna", "vendor": "joedolson"}, "product": "my_calendar_\u2013_accessible_event_manager", "vendor": "joedolson"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": null}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "wordpress", "vendor": "wordpress"}], "created": "2026-07-02T12:00:11.330706+00:00", "updated": "2026-08-01T22:15:03.886727+00:00", "vendors": ["joedolson", "joedolson$PRODUCT$my_calendar_\u2013_accessible_event_manager", "wordpress", "wordpress$PRODUCT$wordpress"]}