Cyber Posture

CVE-2026-22436

High

Published: 05 March 2026

Published
05 March 2026
Modified
22 April 2026
KEV Added
—
Patch
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CVSS Score 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0016 37.1th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Description

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.

Mitigating Controls (NIST 800-53 r5)AI

SI-2 Flaw Remediation good match
prevent

Directly addresses the CVE by requiring timely identification, prioritization, and remediation of the specific PHP Local File Inclusion flaw in the Helvig WordPress theme.

SI-10 Information Input Validation good match
prevent

Prevents exploitation of improper filename control in PHP include/require statements by validating all user-supplied inputs for malicious paths or payloads.

SI-9 Information Input Restrictions good match
prevent

Enforces restrictions on filename inputs to PHP include functions, such as whitelisting allowed paths or blocking traversal sequences, to block LFI attempts.

Security SummaryAI

CVE-2026-22436 is an Improper Control of Filename for Include/Require Statement in PHP Program vulnerability, classified under CWE-98 and described as enabling PHP Local File Inclusion, within the Helvig WordPress theme by Elated-Themes. The flaw affects Helvig versions from n/a through 1.0 inclusive. Published on 2026-03-05, it carries a CVSS v3.1 base score of 8.1 (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H), indicating high severity due to network accessibility and significant impacts.

Unauthenticated remote attackers can exploit this vulnerability over the network without user interaction, though it demands high attack complexity. Exploitation allows local file inclusion, potentially leading to high confidentiality, integrity, and availability impacts, such as unauthorized access to sensitive files or system compromise depending on the included files.

The Patchstack advisory provides details on this WordPress Helvig theme 1.0 local file inclusion vulnerability, including recommended mitigations at https://patchstack.com/database/Wordpress/Theme/helvig/vulnerability/wordpress-helvig-theme-1-0-local-file-inclusion-vulnerability?_s_id=cve.

Details

CWE(s)
CWE-98

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
Why these techniques?

The vulnerability is an unauthenticated remote Local File Inclusion (LFI) in a public-facing WordPress theme, directly enabling exploitation of public-facing applications (T1190) for unauthorized file access and potential further compromise.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

References