CVE-2026-22436 HIGH

CVE-2026-22436: WordPress Helvig theme <= 1.0 - Local File Inclusion vulnerability

Vendor Elated-Themes
Product Helvig
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 Elated-Themes Helvig helvig allows PHP Local File Inclusion.This issue affects Helvig: from n/a through <= 1.0.

Explanation of Vulnerability in Simple Terms

02Summary

Helvig versions 1.0 and earlier contain a flaw that allows an attacker to read sensitive data, modify site content, or disrupt service availability. The vulnerability requires only network access and no user interaction. Attack complexity is high, suggesting the exploit requires specific conditions or timing. All versions up to 1.0 are affected.

What an attacker can do

03Attacker Capabilities

Read sensitive data, modify site content, or disrupt service availability without authentication.

Potential impact on your site

04Site Impact

Confidential data exposure, unauthorized content modification, or service disruption possible on affected Helvig installations.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required, but exploit complexity is high.

Key dates

06Disclosure timeline

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