CVE-2026-9830
BookingPress Pro < 5.7.3 - Unauthenticated Customer PII Disclosure and Booking Tampering via Permission Callback Bug
- Published
- Jul 27, 2026
- Updated
- Jul 27, 2026
- Assigning CNA
- WPScan
- Evidence observed
- Aug 28, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:NLow · next 30 days
- Percentile
- 30.4%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
The bookingpress-appointment-booking-pro WordPress plugin before 5.7.3 does not correctly invoke its REST permission callback, leaving every route in one of its API namespaces reachable without authentication and allowing unauthenticated attackers to read customer booking data and modify other users' bookings.
Sources
2- CVE-2026-9830Research
Threat intelligence report repository for CVE-2026-9830, an authentication bypass vulnerability in BookingPress Pro WordPress plugin, with detailed analysis, patch diff, and detection guidance.
CVE-2026-9830 Proof of Concept
Responsible use
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