The Appointment Booking Calendar plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 1.3.96. This is due to the plugin exposing an unauthenticated booking processing endpoint (cpabc_appointments_check_IPN_verification) that trusts attacker-supplied payment notifications without verifying their origin, authenticity, or requiring proper authorization checks. This makes it possible for unauthenticated attackers to arbitrarily confirm bookings and insert them into the live calendar via the 'cpabc_ipncheck' parameter, triggering administrative and customer notification emails and disrupting operations.
Metrics
Affected Vendors & Products
References
History
Mon, 24 Nov 2025 20:15:00 +0000
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ssvc
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Mon, 24 Nov 2025 09:15:00 +0000
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Codepeople
Codepeople appointment Booking Calendar Wordpress Wordpress wordpress |
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Codepeople
Codepeople appointment Booking Calendar Wordpress Wordpress wordpress |
Sat, 22 Nov 2025 07:45:00 +0000
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| Description | The Appointment Booking Calendar plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 1.3.96. This is due to the plugin exposing an unauthenticated booking processing endpoint (cpabc_appointments_check_IPN_verification) that trusts attacker-supplied payment notifications without verifying their origin, authenticity, or requiring proper authorization checks. This makes it possible for unauthenticated attackers to arbitrarily confirm bookings and insert them into the live calendar via the 'cpabc_ipncheck' parameter, triggering administrative and customer notification emails and disrupting operations. | |
| Title | Appointment Booking Calendar <= 1.3.96 - Missing Authorization to Arbitrary Booking Confirmation via 'cpabc_ipncheck' Parameter | |
| Weaknesses | CWE-862 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: Wordfence
Published: 2025-11-22T07:29:18.875Z
Updated: 2025-11-24T19:30:08.188Z
Reserved: 2025-11-17T15:15:33.423Z
Link: CVE-2025-13317
Updated: 2025-11-24T19:30:02.956Z
Status : Received
Published: 2025-11-22T08:15:44.417
Modified: 2025-11-22T08:15:44.417
Link: CVE-2025-13317
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