CVE-2026-39544 HIGH

CVE-2026-39544: WordPress LabtechCO theme <= 8.3 - Local File Inclusion vulnerability

Vendor Themestek
Product LabtechCO
Weakness CWE-98 · PHP file inclusion
Published April 8, 2026
Last update April 29, 2026

CVSS base score

7.5/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in themeStek LabtechCO labtechco allows PHP Local File Inclusion.This issue affects LabtechCO: from n/a through <= 8.3.

Explanation of Vulnerability in Simple Terms

02Summary

LabtechCO versions 8.3 and earlier contain a flaw that allows authenticated users with low privileges to read sensitive data, modify site content, or disrupt service. The vulnerability requires network access and high attack complexity, but no user interaction. Authenticated attackers can exploit this to compromise confidentiality, integrity, and availability of the affected system.

What an attacker can do

03Attacker Capabilities

Read sensitive data, modify content, or disrupt service availability on the site.

Potential impact on your site

04Site Impact

Authenticated users with low privileges can access restricted data, alter content, or cause downtime.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege account on the site; network access required.

Key dates

06Disclosure timeline

April 8, 2026 CVE published
April 29, 2026 Record updated

Related vulnerabilities

08Related CVE