CVE-2026-87891

MEDIUM CVSS 3.1: 6.5 EPSS 0.34%
Updated Sep 15, 2026
WordPress
Parameter Value
CVSS 6.5 (MEDIUM)
Affected Versions before 1.2.0
Type CWE-284 (Improper Access Control), CWE-284 Improper Access Control
Vendor WordPress
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v3.1

Vulnerable Products

unknown:rox appointment booking