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Vulnerability record · CVE-2026-18776 · published 19 August 2026

CVE-2026-18776: Improper access control vulnerability

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.

9.8 CVSS 3.1 Critical EPSS 0.50% · top 59.8% CWE-284 · Improper access control Deferred
9.8CVSS 3.1 base score
0.50%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
26 Aug 2026Last modified by NVD

Description

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

References

LinkTags
https://wpscan.com/vulnerability/4b6abb2d-941b-429f-a480-33d1aafad450/

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Source: NIST National Vulnerability Database (record CVE-2026-18776), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.