# CVE-2026-87891

## Summary

- **CVE ID:** CVE-2026-87891
- **Severity:** MEDIUM
- **CVSS Score:** 6.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L)
- **CWE:** N/A
- **Published:** Sep 12, 2026
- **Last Modified:** Sep 12, 2026

## 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

- Unknown — Rox Appointment Booking (0)

## References

- [CNA](https://wpscan.com/vulnerability/e7f3b29e-2503-41bb-b15c-3c0ef71a3a00/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.20%
- **EPSS Percentile:** 10.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._