CVE-2026-39544
Local File Inclusion Vulnerability in LabtechCO PHP Theme
Publication date: 2026-04-08
Last updated on: 2026-04-14
Assigner: Patchstack
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| labtechco | labtechco | to 8.3 (inc) |
| labtechco | labtechco_theme | to 8.3 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-98 | The PHP application receives input from an upstream component, but it does not restrict or incorrectly restricts the input before its usage in "require," "include," or similar functions. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2026-39544 is a Local File Inclusion (LFI) vulnerability in the WordPress LabtechCO Theme versions up to and including 8.3. It allows an attacker with at least Contributor or Developer privileges to include and display local files from the target website.
This means the attacker can access files on the server that should not be publicly accessible, potentially exposing sensitive information.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
The CVE-2026-39544 vulnerability allows attackers with certain privileges to include local files and potentially access sensitive information such as database credentials. This exposure of sensitive data could lead to unauthorized access or data breaches.
Such data breaches or unauthorized access incidents may impact compliance with common standards and regulations like GDPR or HIPAA, which require protection of personal and sensitive data. However, the provided information does not explicitly state the direct compliance impact or specific regulatory consequences.
How can this vulnerability impact me? :
The vulnerability can lead to exposure of sensitive files such as those containing database credentials.
If exploited, it may enable a complete database takeover depending on the website's configuration.
Although the vulnerability requires some level of privilege to exploit and is considered low priority by Patchstack, it still poses a moderate to high risk with a CVSS score of 7.5.
Additionally, such vulnerabilities are often targeted in mass-exploit campaigns affecting many websites indiscriminately.
How can this vulnerability be detected on my network or system? Can you suggest some commands?
The CVE-2026-39544 vulnerability is a Local File Inclusion (LFI) issue affecting the LabtechCO WordPress Theme up to version 8.3. Detection typically involves checking for attempts to include local files via the theme's PHP include/require statements.
Since the vulnerability requires at least Contributor or Developer privileges to exploit, monitoring logs for suspicious file inclusion attempts or unusual access patterns by authenticated users can help detect exploitation.
Specific commands are not provided in the available resources. However, common approaches include:
- Reviewing web server access logs for requests containing suspicious parameters that may attempt to include local files.
- Using tools like grep to search for suspicious include or require statements in the theme files.
- Employing vulnerability scanners or WordPress security plugins that can detect known LFI vulnerabilities.
What immediate steps should I take to mitigate this vulnerability?
The primary and recommended mitigation step is to update the LabtechCO WordPress Theme to version 8.4 or later, where this vulnerability has been patched.
If immediate updating is not possible, it is advised to consult with your hosting provider or a web developer to implement temporary protective measures.
Additionally, restricting user privileges to prevent unauthorized users from having Contributor or Developer access can reduce the risk of exploitation.