{"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 – Accessible Event Manager","versions":[{"version":"0","status":"affected","lessThanOrEqual":"3.7.14","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"The My Calendar – 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"}}]}}