CVE Explorer
CVE-2026-4807
The Appointment Booking Calendar plugin for WordPress is vulnerable to Missing Authorization in versions up to and including 1.6.10.6. This is due to a flawed authorization logic in the nonce_permissions_check() method combined with the public exposure of a site-wide reusable nonce. The plugin exposes a public_nonce value through the /wp-json/ssa/v1/embed-inner endpoint, which is accessible to unauthenticated users. The appointment deletion endpoint at /wp-json/ssa/v1/appointments/{id}/delete an
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":"1.6.10.6","status":"affected","version":"0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:3054df4ee607d55a65f9900a2ee701d6e0b013dd2ddcbc28a2671f7ca1cb121a · sha256:76f75829ce3426b6… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"baseScore":6.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:3054df4ee607d55a65f9900a2ee701d6e0b013dd2ddcbc28a2671f7ca1cb121a · sha256:76f75829ce3426b6… · /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:v2:3054df4ee607d55a65f9900a2ee701d6e0b013dd2ddcbc28a2671f7ca1cb121a · sha256:76f75829ce3426b6… · /containers/cna/problemTypes/0/descriptions/0
Source references
8 source assertions{"url":"https://plugins.trac.wordpress.org/browser/simply-schedule-appointments/tags/1.6.9.29/booking-app-new/iframe-inner.php#L444"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:3054df4ee607d55a65f9900a2ee701d6e0b013dd2ddcbc28a2671f7ca1cb121a · sha256:76f75829ce3426b6… · /containers/cna/references/5
{"url":"https://plugins.trac.wordpress.org/browser/simply-schedule-appointments/tags/1.6.9.29/includes/class-appointment-model.php#L698"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:3054df4ee607d55a65f9900a2ee701d6e0b013dd2ddcbc28a2671f7ca1cb121a · sha256:76f75829ce3426b6… · /containers/cna/references/3
{"url":"https://plugins.trac.wordpress.org/browser/simply-schedule-appointments/tags/1.6.9.29/includes/class-bootstrap.php#L151"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:3054df4ee607d55a65f9900a2ee701d6e0b013dd2ddcbc28a2671f7ca1cb121a · sha256:76f75829ce3426b6… · /containers/cna/references/6
{"url":"https://plugins.trac.wordpress.org/browser/simply-schedule-appointments/tags/1.6.9.29/includes/class-shortcodes.php#L889"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:3054df4ee607d55a65f9900a2ee701d6e0b013dd2ddcbc28a2671f7ca1cb121a · sha256:76f75829ce3426b6… · /containers/cna/references/4
{"url":"https://plugins.trac.wordpress.org/browser/simply-schedule-appointments/tags/1.6.9.29/includes/lib/td-util/class-td-api-model.php#L110"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:3054df4ee607d55a65f9900a2ee701d6e0b013dd2ddcbc28a2671f7ca1cb121a · sha256:76f75829ce3426b6… · /containers/cna/references/2
{"url":"https://plugins.trac.wordpress.org/browser/simply-schedule-appointments/tags/1.6.9.29/includes/lib/td-util/class-td-api-model.php#L361"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:3054df4ee607d55a65f9900a2ee701d6e0b013dd2ddcbc28a2671f7ca1cb121a · sha256:76f75829ce3426b6… · /containers/cna/references/1
{"url":"https://plugins.trac.wordpress.org/changeset/3511993/simply-schedule-appointments/trunk/includes"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:3054df4ee607d55a65f9900a2ee701d6e0b013dd2ddcbc28a2671f7ca1cb121a · sha256:76f75829ce3426b6… · /containers/cna/references/7
{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/436ab843-7729-4d57-9c9e-2ede2f101ddb?source=cve"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:3054df4ee607d55a65f9900a2ee701d6e0b013dd2ddcbc28a2671f7ca1cb121a · sha256:76f75829ce3426b6… · /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.