Vulnerability · Published Sep 16, 2026 · Assigned by WPScan
CVE-2026-86475Appointment Hour Booking < 1.5.95 - Unauthenticated Booking Capacity Bypass via Multi-Appointment Submission
Medium 5.3
In plain English
A medium-severity improper input validation in Appointment Hour Booking from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 76.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Appointment Hour Booking | 0 – before 1.5.95 |
Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
References
- https://wpscan.com/vulnerability/b7b45dae-bc91-4142-ae9b-5c8b39791cda/ exploit, vdb-entry, technical-description