Appointment Bookings for Zoom GoogleMeet and more – Wappointment <= 2.7.6 - Unauthenticated Insecure Direct Object Reference via Predictable 'edit_key' / 'appointmentkey' Parameter
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
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| wappointment | Appointment Bookings for Zoom GoogleMeet and more – Wappointment | unaffected |
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| Vendor | Product | Versions | ||||||||
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| Wappointment | Appointment Bookings For Zoom Googlemeet And More – Wappointment |
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| Wordpress | Wordpress |
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No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.516% probability within 30 days)
| Type | Values Removed | Values Added |
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| First Time appeared |
Wappointment
Wappointment appointment Bookings For Zoom Googlemeet And More – Wappointment Wordpress Wordpress wordpress |
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| Vendors & Products |
Wappointment
Wappointment appointment Bookings For Zoom Googlemeet And More – Wappointment Wordpress Wordpress wordpress |
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| Metrics |
ssvc
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| Type | Values Removed | Values Added |
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| Description | The Appointment Bookings for Zoom GoogleMeet and more – Wappointment plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to and including 2.7.6 via the `appointmentkey` parameter due to the appointment `edit_key` — the sole authorization token consumed by `tryCancel()` — being generated as a predictable, unsalted MD5 hash of only `client_id` (a sequential integer), `start_at` (a publicly observable appointment timestamp), and `staff_id` (a small enumerable integer), with no secret salt or random component, and the unauthenticated cancellation and rescheduling REST endpoints performing no ownership or identity verification beyond matching this reconstructible key. This makes it possible for unauthenticated attackers to compute valid `edit_key` values for appointments belonging to other users and cancel or reschedule those appointments arbitrarily. Exploitation requires the `allow_cancellation` or `allow_rescheduling` setting to be enabled on the site, both of which are common configurations for active booking deployments; an attacker can obtain the inputs needed to reconstruct a victim's key by booking their own appointment to observe their sequential `client_id` and correlating publicly visible appointment times and enumerable staff identifiers. | |
| Title | Appointment Bookings for Zoom GoogleMeet and more – Wappointment <= 2.7.6 - Unauthenticated Insecure Direct Object Reference via Predictable 'edit_key' / 'appointmentkey' Parameter | |
| Weaknesses | CWE-639 | |
| References |
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| Metrics |
cvssV3_1
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