Vulnerability · Published Aug 19, 2026 · Assigned by WPScan
CVE-2026-18776TrueBooker Appointment Booking < 1.2.7 - Unauthenticated Account Takeover via Multiple AJAX Actions
Critical 9.8
In plain English
A critical-severity improper access control in TrueBooker from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.5%top 57.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 change the email address of arbitrary users, including administrators, and subsequently take over their account via the password reset flow.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | TrueBooker | 0 – before 1.2.7 |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://wpscan.com/vulnerability/4b6abb2d-941b-429f-a480-33d1aafad450/ exploit, vdb-entry, technical-description