EUVD-2026-66269
GHSA-hfw9-fm9r-jwrp
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Network-accessible endpoint, no authentication required, scope unchanged; impact limited to forced notification dispatch affecting integrity and availability only.
Primary rating from Vendor (WPScan).
CVSS VectorVendor: WPScan
Lifecycle Timeline
5DescriptionCVE.org
The Booking for Appointments and Events Calendar WordPress plugin before 2.4.7 does not require authentication before processing its pending notification queue, allowing an unauthenticated user to force the dispatch of queued notifications and integration callbacks.
AnalysisAI
Unauthenticated queue-trigger exposure in the Booking for Appointments and Events Calendar WordPress plugin (versions before 2.4.7) permits any remote visitor to force the dispatch of the plugin's pending notification queue and integration callbacks. Because the queue-processing endpoint performs no authentication check (CWE-287), an attacker needs no credentials or session to invoke it. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions are required for the core exploit path: the CVSS vector AV:N/AC:L/PR:N/UI:N confirms remote, unauthenticated exploitation against any publicly reachable WordPress installation running the plugin in versions before 2.4.7. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L scores 6.5 (Medium), reflecting a network-reachable, zero-prerequisite exploit path with limited but real integrity and availability impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | The primary fix is upgrading the Booking for Appointments and Events Calendar plugin to version 2.4.7 or later via the WordPress admin dashboard (Plugins → Update) or WP-CLI (`wp plugin update`). … Detailed patch versions, workarounds, and compensating controls in full report. |
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Missing authorization in the Booking for Appointments and Events Calendar WordPress plugin (versions before 2.4.9) allow
Broken object-level authorization in the Booking for Appointments and Events Calendar WordPress plugin (versions 9.0 thr
Broken Object Level Authorization in the Booking for Appointments and Events Calendar WordPress plugin (versions 9.0 thr
Missing authorization enforcement in the Booking for Appointments and Events Calendar WordPress plugin before 2.4.9 allo
Unrestricted mass assignment in the Booking for Appointments and Events Calendar WordPress plugin (before 2.4.4) permits
Same weakness CWE-287 – Improper Authentication
View allSame technique Authentication Bypass
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External POC / Exploit Code
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