The Smart Appointment & Booking plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check and a nonce validation logic flaw in the saab_cancel_booking() function in all versions up to, and including, 1.0.8. The nonce check uses && (AND) instead of || (OR), which means providing any value for the security parameter causes the entire check to be skipped. This makes it possible for unauthenticated attackers to cancel arbitrary bookings by supplying a predictable booking ID.
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Affected Vendors & Products
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History
Wed, 13 May 2026 11:00:00 +0000
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Wordpress
Wordpress wordpress Zealopensource Zealopensource smart Appointment & Booking |
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Wordpress
Wordpress wordpress Zealopensource Zealopensource smart Appointment & Booking |
Tue, 12 May 2026 13:15:00 +0000
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ssvc
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Tue, 12 May 2026 08:30:00 +0000
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| Description | The Smart Appointment & Booking plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check and a nonce validation logic flaw in the saab_cancel_booking() function in all versions up to, and including, 1.0.8. The nonce check uses && (AND) instead of || (OR), which means providing any value for the security parameter causes the entire check to be skipped. This makes it possible for unauthenticated attackers to cancel arbitrary bookings by supplying a predictable booking ID. | |
| Title | Smart Appointment & Booking <= 1.0.8 - Missing Authorization to Unauthenticated Arbitrary Booking Cancellation | |
| Weaknesses | CWE-862 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: Wordfence
Published: 2026-05-12T07:48:26.131Z
Updated: 2026-05-12T12:47:37.797Z
Reserved: 2026-04-06T11:20:41.603Z
Link: CVE-2026-5693
Updated: 2026-05-12T12:47:34.077Z
Status : Deferred
Published: 2026-05-12T09:16:54.953
Modified: 2026-05-12T14:03:52.757
Link: CVE-2026-5693
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