What’s Vulnerable › Vulnerabilities
CVE-2026-87891: Rox Appointment Booking < 1.2.0 - Unauthenticated Holiday Schedule Modification via REST API
- Severity: medium (CVSS 6.5 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: 2026-09-12 · updated 2026-09-14
- Weakness: CWE-284
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
- Rox Appointment Booking: before 1.2.0 — fixed in 1.2.0
How to fix
Upgrade to a fixed version: Rox Appointment Booking 1.2.0. Check the vendor advisory for mitigations.
References
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