CVE-2026-39663
Missing Authorization in TrueBooker ≤1.1.5 Enables Unauthorized Access
Publication date: 2026-04-08
Last updated on: 2026-04-13
Assigner: Patchstack
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| themetechmount | truebooker | to 1.1.5 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-862 | The product does not perform an authorization check when an actor attempts to access a resource or perform an action. |
Attack-Flow Graph
AI Powered Q&A
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
The vulnerability is a Broken Access Control issue that allows unauthenticated users to perform actions requiring higher privileges. Such unauthorized access could potentially lead to unauthorized data exposure or modification.
While the CVE description and resources do not explicitly mention compliance with standards like GDPR or HIPAA, broken access control vulnerabilities generally pose risks to data confidentiality and integrity, which are critical aspects of these regulations.
Therefore, if exploited, this vulnerability could negatively impact compliance with regulations that require strict access controls and protection of personal or sensitive data.
Can you explain this vulnerability to me?
CVE-2026-39663 is a Broken Access Control vulnerability in the WordPress TrueBooker plugin versions up to and including 1.1.5.
The issue arises from missing authorization, authentication, or nonce token checks in certain functions, which allows unauthenticated users to perform actions that normally require higher privileges.
This vulnerability falls under the OWASP Top 10 category A1: Broken Access Control.
How can this vulnerability impact me? :
Exploiting this vulnerability allows unauthenticated users to perform privileged actions within the TrueBooker plugin, potentially compromising the security of the affected website.
However, the CVSS severity score is 5.3, indicating a low priority and low severity impact.
Although such vulnerabilities can be exploited in mass campaigns targeting many websites, this specific flaw is considered unlikely to be exploited with significant impact.
Currently, no official patch is available, so mitigation involves updating the plugin when a non-vulnerable version is released or seeking help from hosting providers or web developers.
How can this vulnerability be detected on my network or system? Can you suggest some commands?
This vulnerability is a Broken Access Control issue in the TrueBooker WordPress plugin, caused by missing authorization checks allowing unauthenticated users to perform privileged actions.
There are no specific detection commands or network/system scanning instructions provided in the available resources.
What immediate steps should I take to mitigate this vulnerability?
Currently, no official patch is available for this vulnerability.
The recommended mitigation is to update the affected TrueBooker plugin to a non-vulnerable version when it becomes available.
Alternatively, seek assistance from your hosting provider or web developers to implement temporary access control measures or workarounds.