What’s Vulnerable › Vulnerabilities
CVE-2026-86475: Appointment Hour Booking < 1.5.95 - Unauthenticated Booking Capacity Bypass via Multi-Appointment Submission
- Severity: medium (CVSS 5.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-16 · updated 2026-09-16
- Weakness: CWE-20
Description
The Appointment Hour Booking WordPress plugin before 1.5.95 does not check every appointment in a booking submission against the capacity configured for its own slot, allowing unauthenticated visitors to take slots that are already fully booked.
Affected products
- Appointment Hour Booking: before 1.5.95 — fixed in 1.5.95
How to fix
Upgrade to a fixed version: Appointment Hour Booking 1.5.95. Check the vendor advisory for mitigations.
References
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