EUVD-2026-62282
GHSA-8fxq-m46w-rjrf
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Network-accessible unauthenticated AJAX handler (AV:N/PR:N); limited to appointment record writes with no data exposure or service disruption.
Primary rating from Vendor (wpscan).
CVSS VectorVendor: wpscan
Lifecycle Timeline
4DescriptionCVE.org
The TrueBooker WordPress plugin before 1.2.7 does not have proper authorisation checks in one of its AJAX actions, allowing unauthenticated users to change the status of arbitrary appointments, as well as to trigger notification emails to the affected customers.
AnalysisAI
TrueBooker WordPress plugin versions before 1.2.7 allows fully unauthenticated remote users to manipulate arbitrary appointment statuses and trigger notification emails to affected customers through an unprotected AJAX action. The CVSS vector (PR:N/AC:L/AV:N) confirms zero authentication or configuration prerequisites, making every active installation of the plugin a viable target. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions are required beyond the TrueBooker plugin being installed and active on the WordPress site - the vulnerable AJAX action is registered under the nopriv hook, making it reachable by any unauthenticated HTTP client over the network. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 5.3 Medium score is consistent with the AV:N/AC:L/PR:N/UI:N attack surface paired with limited scope (S:U) and integrity-only impact (I:L). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Update TrueBooker to version 1.2.7 or later, which is confirmed as patched per vendor advisory reported by WPScan (contact@wpscan.com). … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-862 – Missing Authorization
View allSame technique Authentication Bypass
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External POC / Exploit Code
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