CVE-2026-18777 — MEDIUM (5.3)

Vulnerability Description

The TrueBooker WordPress plugin before 1.2.7 does not have proper authorisation checks in one of its AJAX actions, allowing unauthenticated users to change the status of arbitrary appointments, as well as to trigger notification emails to the affected customers.

CVSS Score

5.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-862

References

https://wpscan.com/vulnerability/05a09ba7-b781-4462-8c50-3a45f2757cb2/

FAQ

What is CVE-2026-18777?

CVE-2026-18777 is a vulnerability with a CVSS score of 5.3 (MEDIUM). The TrueBooker WordPress plugin before 1.2.7 does not have proper authorisation checks in one of its AJAX actions, allowing unauthenticated users to change the status of arbitrary appointments, as we...

How severe is CVE-2026-18777?

CVE-2026-18777 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-18777?

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