CVE-2026-9830 — HIGH (8.2) — White Hats Nepal

Vulnerability Description

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 attackers to read customer booking data and modify other users' bookings.

CVSS Score

8.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-287

References

https://wpscan.com/vulnerability/5fded411-52fd-4dc5-9a23-b77fcd9cfed2/

FAQ

What is CVE-2026-9830?

CVE-2026-9830 is a vulnerability with a CVSS score of 8.2 (HIGH). 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 authen...

How severe is CVE-2026-9830?

CVE-2026-9830 has been rated HIGH with a CVSS base score of 8.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-9830?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.