CVE-2026-16142: critical vulnerability in themetechmount TrueBooker – Appointment…
TrueBooker <= 1.2.6 - Unauthenticated Account Takeover via Insecure Direct Object Reference in 'truebooker_wp_user_id' Parameter
Published · Updated
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.8epss 0.7%
exploitation probability
0.7%top 49% of all CVEs
observed exploitation
nono source reports it
The TrueBooker plugin for WordPress is vulnerable to Account Takeover in all versions up to, and including, 1.2.6. This is due to the add_front_user_update() AJAX handler being registered for unauthenticated users and accepting an arbitrary truebooker_wp_user_id value, which is passed directly to wp_update_user() without verifying authentication or ownership. This makes it possible for unauthenticated attackers to change any WordPress user account email address, including an administrator, by submitting the target user ID and an attacker-controlled email address. An attacker can then use the native WordPress password reset flow to receive the reset link at the attacker-controlled email address and take over the account.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Related CVEs — themetechmount TrueBooker – Appointment…
In the same product, most dangerous first.
CVE-2026-13161HIGHTrueBooker <= 1.2.2 - Unauthenticated SQL InjectionEPSS 0.8%CVE-2026-18315CRITICALTrueBooker <= 1.2.6 - Unauthenticated Authorization Bypass Through User-Controlled Key to Account Takeover to 'truebooker_wp_user_id' ParameterEPSS 0.6%CVE-2026-14365CRITICALTrueBooker <= 1.2.3 - Missing Authorization to Unauthenticated Arbitrary Password Reset via 'truebooker_wp_user_id'EPSS 0.6%CVE-2026-14364CRITICALTrueBooker <= 1.2.3 - Missing Authorization to Unauthenticated Arbitrary Password Reset via 'tbab-userid'EPSS 0.5%CVE-2026-14349CRITICALTrueBooker <= 1.2.3 - Missing Authorization to Unauthenticated Arbitrary User Email Modification via 'admin_addcustomer' AJAX ActionEPSS 0.4%CVE-2026-1797MEDIUMTruebooker - Appointment Booking and Scheduler Plugin <= 1.1.4 - Sensitive Information Exposure via Views FilesEPSS 0.2%