CVE-2026-18777
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductTrueBooker
PublishedAug 19, 2026
First seenAug 19, 2026
Weakness typeCWE-862Missing authorization
How to fix
Update
- TrueBooker1.2.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| TrueBooker | v < 1.2.7 | 1.2.7 |
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