Cyber Posture

CVE-2026-28006

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 ThemeREX Yungen yungen allows PHP Local File Inclusion.This issue affects Yungen: from n/a through <= 1.0.12.

Mitigating Controls (NIST 800-53 r5)AI

SI-2 Flaw Remediation good match
prevent

Directly requires identification, reporting, and correction of the LFI flaw in the Yungen WordPress theme, preventing exploitation through patching.

SI-10 Information Input Validation good match
prevent

Mandates validation of filenames and inputs used in PHP include/require statements, directly addressing improper control exploited in this LFI vulnerability.

CM-6 Configuration Settings good match
prevent

Enforces secure PHP configuration settings such as open_basedir restrictions to limit file access paths and mitigate LFI in vulnerable themes.

Security SummaryAI

CVE-2026-28006 is an Improper Control of Filename for Include/Require Statement in PHP Program vulnerability, classified as PHP Remote File Inclusion but enabling PHP Local File Inclusion, in the ThemeREX Yungen WordPress theme. This issue affects Yungen versions from n/a through 1.0.12. The vulnerability 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) and maps to CWE-98.

Unauthenticated attackers can exploit this vulnerability remotely over the network, requiring high attack complexity but no privileges or user interaction. Successful exploitation allows high-impact compromise of confidentiality, integrity, and availability, potentially enabling local file inclusion to access sensitive files, execute arbitrary code, or disrupt services on affected WordPress installations running the vulnerable theme.

The Patchstack advisory (https://patchstack.com/database/Wordpress/Theme/yungen/vulnerability/wordpress-yungen-theme-1-0-12-local-file-inclusion-vulnerability?_s_id=cve) documents the local file inclusion vulnerability in Yungen theme version 1.0.12 and provides details relevant to mitigation strategies for WordPress environments.

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 LFI in a public-facing WordPress theme allowing remote unauthenticated attackers to include and execute arbitrary local files, directly enabling exploitation of public-facing applications for initial access and code execution.

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

References