Authorisation Failure in TrueBooker Plugin by WordPress
CVE-2026-18777
Currently unrated
Key Information:
- Vendor
WordPress
- Status
- Vendor
- CVE Published:
- 19 August 2026
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2026-18777?
The TrueBooker WordPress plugin, prior to version 1.2.7, is susceptible to an authorization bypass vulnerability in its AJAX actions. This flaw permits unauthenticated users to manipulate the status of any appointment and trigger notification emails to clients involved. Such unauthorized access can lead to significant mismanagement of appointments and potential breaches of customer trust.
Affected Version(s)
TrueBooker 0 < 1.2.7
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.