Vulnerability · Published Sep 12, 2026 · Assigned by WPScan
CVE-2026-87891Rox Appointment Booking < 1.2.0 - Unauthenticated Holiday Schedule Modification via REST API
Medium 6.5
In plain English
A medium-severity improper access control in Rox Appointment Booking from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 72.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The Rox Appointment Booking WordPress plugin before 1.2.0 does not perform any capability or authorization check when saving its holiday schedule, allowing unauthenticated attackers to overwrite the dates the booking system treats as unavailable, which can block legitimate bookings or open dates the site owner intended to keep closed.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Rox Appointment Booking | 0 – before 1.2.0 |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
References
- https://wpscan.com/vulnerability/e7f3b29e-2503-41bb-b15c-3c0ef71a3a00/ exploit, vdb-entry, technical-description