CVE-2026-18776: critical vulnerability in TrueBooker
TrueBooker Appointment Booking < 1.2.7 - Unauthenticated Account Takeover via Multiple AJAX Actions
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
48Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 9.8epss 0.5%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Unknown · TrueBookerpublic PoCs found — 1
cve_referencewpscan.com/vulnerability/4b6abb2d-941b-429f-a480-33d1aafad450/unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — TrueBooker
In the same product, most dangerous first.
CVE-2024-6924CRITICALTrueBooker < 1.0.3 - Multiple Unauthenticated SQLiEPSS 3.3%CVE-2026-14545CRITICALTrueBooker Appointment Booking < 1.2.4 - Unauthenticated Account Takeover via Password ResetEPSS 0.5%CVE-2026-18778MEDIUMTrueBooker Appointment Booking < 1.2.7 - Unauthenticated Customer PII Disclosure via Multiple AJAX ActionsEPSS 0.3%CVE-2026-18779MEDIUMTrueBooker Appointment Booking < 1.2.7 - Unauthenticated Appointment and Payment Record Deletion via update_appointment_bookedEPSS 0.3%CVE-2026-18777MEDIUMTrueBooker Appointment Booking < 1.2.7 - Unauthenticated Arbitrary Appointment Status Change via update_appointment_statusEPSS 0.3%CVE-2024-6925MEDIUMTrueBooker < 1.0.3 - Settings Update via CSRFEPSS 0.2%