Auth bypass in Bookingpress-appointment-booking-pro

CVE-2026-9830

The bookingpress-appointment-booking-pro WordPress plugin before 5.7.3 does not correctly invoke its REST permission callback, leaving every route in one of its API namespaces reachable without authentication and allowing unauthenticated a…

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.

Affected products

  • Unknown Bookingpress-appointment-booking-pro — versions 0

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-9830?
CVE-2026-9830 is a high-severity vulnerability in Bookingpress-appointment-booking-pro, classified under Improper Authentication. CVSS score: 8.2/10. Published 2026-07-27.
How severe is CVE-2026-9830?
High severity. CVSS v3 base score is 8.2 out of 10.
Is CVE-2026-9830 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.