CVE Explorer

CVE-2026-11896

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,

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:501b44893487886803528fd5af55a365bae6dc6ed7898d4894dd0a39bc1033fa

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"defaultStatus":"unaffected","product":"My Calendar – Accessible Event Manager","vendor":"joedolson","versions":[{"lessThanOrEqual":"3.7.14","status":"affected","version":"0","versionType":"semver"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:4f70b7a9bc22264864b646a82040d890241866e934aa78e2c2afc76501ceaf5b · sha256:d7a62b4be799be76… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"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","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:4f70b7a9bc22264864b646a82040d890241866e934aa78e2c2afc76501ceaf5b · sha256:d7a62b4be799be76… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-639","description":"CWE-639 Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:4f70b7a9bc22264864b646a82040d890241866e934aa78e2c2afc76501ceaf5b · sha256:d7a62b4be799be76… · /containers/cna/problemTypes/0/descriptions/0

Source references

14 source assertions

{"url":"https://plugins.trac.wordpress.org/browser/my-calendar/tags/3.7.14/includes/date-utilities.php#L417"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:4f70b7a9bc22264864b646a82040d890241866e934aa78e2c2afc76501ceaf5b · sha256:d7a62b4be799be76… · /containers/cna/references/6

{"url":"https://plugins.trac.wordpress.org/browser/my-calendar/tags/3.7.14/includes/ical.php#L26"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:4f70b7a9bc22264864b646a82040d890241866e934aa78e2c2afc76501ceaf5b · sha256:d7a62b4be799be76… · /containers/cna/references/5

{"url":"https://plugins.trac.wordpress.org/browser/my-calendar/tags/3.7.14/my-calendar-api.php#L212"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:4f70b7a9bc22264864b646a82040d890241866e934aa78e2c2afc76501ceaf5b · sha256:d7a62b4be799be76… · /containers/cna/references/1

{"url":"https://plugins.trac.wordpress.org/browser/my-calendar/tags/3.7.14/my-calendar-api.php#L246"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:4f70b7a9bc22264864b646a82040d890241866e934aa78e2c2afc76501ceaf5b · sha256:d7a62b4be799be76… · /containers/cna/references/3

{"url":"https://plugins.trac.wordpress.org/browser/my-calendar/tags/3.7.14/my-calendar-events.php#L748"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:4f70b7a9bc22264864b646a82040d890241866e934aa78e2c2afc76501ceaf5b · sha256:d7a62b4be799be76… · /containers/cna/references/4

{"url":"https://plugins.trac.wordpress.org/browser/my-calendar/tags/3.7.14/my-calendar.php#L209"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:4f70b7a9bc22264864b646a82040d890241866e934aa78e2c2afc76501ceaf5b · sha256:d7a62b4be799be76… · /containers/cna/references/2

{"url":"https://plugins.trac.wordpress.org/browser/my-calendar/trunk/includes/date-utilities.php#L417"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:4f70b7a9bc22264864b646a82040d890241866e934aa78e2c2afc76501ceaf5b · sha256:d7a62b4be799be76… · /containers/cna/references/12

{"url":"https://plugins.trac.wordpress.org/browser/my-calendar/trunk/includes/ical.php#L26"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:4f70b7a9bc22264864b646a82040d890241866e934aa78e2c2afc76501ceaf5b · sha256:d7a62b4be799be76… · /containers/cna/references/11

{"url":"https://plugins.trac.wordpress.org/browser/my-calendar/trunk/my-calendar-api.php#L212"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:4f70b7a9bc22264864b646a82040d890241866e934aa78e2c2afc76501ceaf5b · sha256:d7a62b4be799be76… · /containers/cna/references/7

{"url":"https://plugins.trac.wordpress.org/browser/my-calendar/trunk/my-calendar-api.php#L246"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:4f70b7a9bc22264864b646a82040d890241866e934aa78e2c2afc76501ceaf5b · sha256:d7a62b4be799be76… · /containers/cna/references/9

{"url":"https://plugins.trac.wordpress.org/browser/my-calendar/trunk/my-calendar-events.php#L748"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:4f70b7a9bc22264864b646a82040d890241866e934aa78e2c2afc76501ceaf5b · sha256:d7a62b4be799be76… · /containers/cna/references/10

{"url":"https://plugins.trac.wordpress.org/browser/my-calendar/trunk/my-calendar.php#L209"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:4f70b7a9bc22264864b646a82040d890241866e934aa78e2c2afc76501ceaf5b · sha256:d7a62b4be799be76… · /containers/cna/references/8

{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3572191%40my-calendar&new=3572191%40my-calendar&sfp_email=&sfph_mail="}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:4f70b7a9bc22264864b646a82040d890241866e934aa78e2c2afc76501ceaf5b · sha256:d7a62b4be799be76… · /containers/cna/references/13

{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/a72639df-fa05-414c-b30c-eb285f59d945?source=cve"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:4f70b7a9bc22264864b646a82040d890241866e934aa78e2c2afc76501ceaf5b · sha256:d7a62b4be799be76… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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