CVE Explorer
CVE-2026-6937
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 1.6.11.8 due to the plugin not properly verifying that a user is authorized to perform an action via the bulk appointments REST API endpoint. This makes it possible for unauthenticated attackers to modify arbitrary appointment records including customer PII, payment status, and meeting URL fields, and to expose full custo
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin","vendor":"croixhaug","versions":[{"lessThanOrEqual":"1.6.11.8","status":"affected","version":"0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:9d1b768220e75ff79d0f934d43648277c7244de99a13d72159c483ed8af9dbfb · sha256:b19c965de4cb0c10… · /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:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:9d1b768220e75ff79d0f934d43648277c7244de99a13d72159c483ed8af9dbfb · sha256:b19c965de4cb0c10… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-862","description":"CWE-862 Missing Authorization","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:9d1b768220e75ff79d0f934d43648277c7244de99a13d72159c483ed8af9dbfb · sha256:b19c965de4cb0c10… · /containers/cna/problemTypes/0/descriptions/0
Source references
11 source assertions{"url":"https://plugins.trac.wordpress.org/browser/simply-schedule-appointments/tags/1.6.10.0/includes/class-appointment-model.php#L724"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9d1b768220e75ff79d0f934d43648277c7244de99a13d72159c483ed8af9dbfb · sha256:b19c965de4cb0c10… · /containers/cna/references/8
{"url":"https://plugins.trac.wordpress.org/browser/simply-schedule-appointments/tags/1.6.10.0/includes/class-bootstrap.php#L151"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9d1b768220e75ff79d0f934d43648277c7244de99a13d72159c483ed8af9dbfb · sha256:b19c965de4cb0c10… · /containers/cna/references/9
{"url":"https://plugins.trac.wordpress.org/browser/simply-schedule-appointments/tags/1.6.10.0/includes/lib/td-util/class-td-api-model.php#L74"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9d1b768220e75ff79d0f934d43648277c7244de99a13d72159c483ed8af9dbfb · sha256:b19c965de4cb0c10… · /containers/cna/references/7
{"url":"https://plugins.trac.wordpress.org/browser/simply-schedule-appointments/tags/1.6.11.0/includes/class-appointment-model.php#L724"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9d1b768220e75ff79d0f934d43648277c7244de99a13d72159c483ed8af9dbfb · sha256:b19c965de4cb0c10… · /containers/cna/references/5
{"url":"https://plugins.trac.wordpress.org/browser/simply-schedule-appointments/tags/1.6.11.0/includes/class-bootstrap.php#L151"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9d1b768220e75ff79d0f934d43648277c7244de99a13d72159c483ed8af9dbfb · sha256:b19c965de4cb0c10… · /containers/cna/references/6
{"url":"https://plugins.trac.wordpress.org/browser/simply-schedule-appointments/tags/1.6.11.0/includes/lib/td-util/class-td-api-model.php#L74"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9d1b768220e75ff79d0f934d43648277c7244de99a13d72159c483ed8af9dbfb · sha256:b19c965de4cb0c10… · /containers/cna/references/3
{"url":"https://plugins.trac.wordpress.org/browser/simply-schedule-appointments/trunk/includes/class-appointment-model.php#L724"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9d1b768220e75ff79d0f934d43648277c7244de99a13d72159c483ed8af9dbfb · sha256:b19c965de4cb0c10… · /containers/cna/references/4
{"url":"https://plugins.trac.wordpress.org/browser/simply-schedule-appointments/trunk/includes/class-bootstrap.php#L151"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9d1b768220e75ff79d0f934d43648277c7244de99a13d72159c483ed8af9dbfb · sha256:b19c965de4cb0c10… · /containers/cna/references/1
{"url":"https://plugins.trac.wordpress.org/browser/simply-schedule-appointments/trunk/includes/lib/td-util/class-td-api-model.php#L74"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9d1b768220e75ff79d0f934d43648277c7244de99a13d72159c483ed8af9dbfb · sha256:b19c965de4cb0c10… · /containers/cna/references/2
{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3549843%40simply-schedule-appointments&new=3549843%40simply-schedule-appointments&sfp_email=&sfph_mail="}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9d1b768220e75ff79d0f934d43648277c7244de99a13d72159c483ed8af9dbfb · sha256:b19c965de4cb0c10… · /containers/cna/references/10
{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/ef0f5f9d-788a-4cf8-9747-ada076a69a1f?source=cve"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9d1b768220e75ff79d0f934d43648277c7244de99a13d72159c483ed8af9dbfb · sha256:b19c965de4cb0c10… · /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.