CVE-2026-27990 HIGH

CVE-2026-27990: WordPress ConFix theme <= 1.013 - Local File Inclusion vulnerability

Vendor Themerex
Product ConFix
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 ConFix confix allows PHP Local File Inclusion.This issue affects ConFix: from n/a through <= 1.013.

Explanation of Vulnerability in Simple Terms

02Summary

ConFix versions up to 1.013 contain a vulnerability that allows unauthenticated attackers to read sensitive data, modify site content, or disrupt service availability. The attack requires specific technical conditions but no user interaction. Affected installations should update immediately to a patched version.

What an attacker can do

03Attacker Capabilities

Read sensitive data, modify site content, or cause the site to become unavailable without authentication.

Potential impact on your site

04Site Impact

Confidential data exposure, unauthorized content changes, and potential service downtime without warning.

Conditions required to exploit

05Prerequisites

Network access to the site; specific technical conditions must be met (high attack complexity).

Key dates

06Disclosure timeline

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