EUVD-2026-76802
GHSA-82fg-m2x5-cqp7
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Network-reachable endpoint requires no auth (PR:N); impact is strictly booking schedule integrity and availability disruption with zero confidentiality exposure.
Primary rating from Vendor (wpscan).
CVSS VectorVendor: wpscan
Lifecycle Timeline
6DescriptionCVE.org
The Rox Appointment Booking WordPress plugin before 1.2.0 does not perform any capability or authorization check when saving its holiday schedule, allowing unauthenticated attackers to overwrite the dates the booking system treats as unavailable, which can block legitimate bookings or open dates the site owner intended to keep closed.
AnalysisAI
Unauthenticated attackers can overwrite the holiday/unavailability schedule in the Rox Appointment Booking WordPress plugin (all versions before 1.2.0) due to a complete absence of capability or authorization checks on the schedule-save endpoint. This gives any remote attacker the ability to either inject blackout dates to deny all future bookings (availability disruption) or clear existing closed dates to expose periods the site owner explicitly blocked. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No authentication, valid account, session cookie, or WordPress nonce is required - exploitation is possible against any publicly reachable WordPress installation running Rox Appointment Booking prior to version 1.2.0 with the plugin active. … 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 correctly reflects a low-complexity, network-reachable, unauthenticated attack with partial integrity and availability impact and no confidentiality loss. … 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 | Update the Rox Appointment Booking plugin to version 1.2.0 or later, which introduces proper authorization checks on the holiday schedule endpoint. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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