CVE-2026-28066 HIGH

CVE-2026-28066: WordPress Legrand theme <= 2.17 - Local File Inclusion vulnerability

Vendor Themerex
Product Legrand
Weakness CWE-98 · PHP file inclusion
Published March 5, 2026
Last update April 28, 2026

CVSS base score

8.1/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/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 ThemeREX Legrand legrand allows PHP Local File Inclusion.This issue affects Legrand: from n/a through <= 2.17.

Explanation of Vulnerability in Simple Terms

02Summary

ThemeREX Legrand versions 2.17 and earlier contain a vulnerability that allows attackers to read sensitive data, modify site content, or disrupt service availability. The flaw requires network access and high attack complexity but no authentication. The vulnerability affects confidentiality, integrity, and availability of the affected system.

What an attacker can do

03Attacker Capabilities

Read sensitive data, modify site content, or cause service disruption without authentication.

Potential impact on your site

04Site Impact

Unauthorized access to sensitive information, content tampering, or site downtime if exploited.

Conditions required to exploit

05Prerequisites

Network access; high attack complexity (specific conditions required); no authentication needed.

Key dates

06Disclosure timeline

March 5, 2026 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE