CVE-2026-18778 — MEDIUM (5.3)

Vulnerability Description

The TrueBooker WordPress plugin before 1.2.7 does not have proper authorisation checks in some of its AJAX actions, allowing unauthenticated users to retrieve the personal information of customers who booked an appointment, including their name, email address, phone number and postal address.

CVSS Score

5.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Related Weaknesses (CWE)

CWE-200

References

https://wpscan.com/vulnerability/0a9b6706-ff3a-4a41-b85c-fce696471217/

FAQ

What is CVE-2026-18778?

CVE-2026-18778 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 some of its AJAX actions, allowing unauthenticated users to retrieve the personal information of customers wh...

How severe is CVE-2026-18778?

CVE-2026-18778 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-2026-18778?

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