Paper/Archive/CVE-2026-18776

CVE-2026-18776

Unknown TrueBooker — TrueBooker Appointment Booking < 1.2.7 - Unauthenticated Account Takeover via Multiple AJAX Actions

EPSS 0.5%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (ADP)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 42.7.427 × 208.5 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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

ProductAffectedFixed inSource

TrueBooker< 1.2.71.2.7CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

exploitwpscan.com/vulnerability/4b6abb2d-941b-429f-a480-33d1aafad450