Cyber Resilience

CVE-2026-28033

High

Published: 05 March 2026

Published
05 March 2026
Modified
22 April 2026
KEV Added
—
Patch
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CVSS Score v3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0040 32.0th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-28033 is a high-severity PHP Remote File Inclusion (CWE-98) vulnerability. Its CVSS base score is 8.1 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 32.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).

Deeper analysis

CVE-2026-28033 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, affecting the ThemeREX Edifice WordPress theme in versions from n/a through 1.8. 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 its potential for significant impact despite elevated exploitation complexity.

Unauthenticated remote attackers can exploit this vulnerability over the network without requiring user interaction or privileges. Successful exploitation allows high-impact compromise of confidentiality, integrity, and availability, typically through the inclusion of arbitrary local files, which could lead to information disclosure, code execution, or system disruption depending on the targeted files and server configuration.

The Patchstack advisory at https://patchstack.com/database/Wordpress/Theme/edifice/vulnerability/wordpress-edifice-theme-1-8-local-file-inclusion-vulnerability?_s_id=cve details this Local File Inclusion vulnerability in the WordPress Edifice theme version 1.8.

OWASP Top 10 for Web (2025)

A05:2025 Injection

EU & UK References

Vulnerability details

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in ThemeREX Edifice edifice allows PHP Local File Inclusion.This issue affects Edifice: from n/a through <= 1.8.

CWE(s)
CWE-98

Related Threats

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?

LFI vulnerability in public-facing WordPress theme enables unauthenticated remote attackers to include and execute arbitrary local files, directly mapping to exploitation of public-facing applications.

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

CVEs Like This One

CVE-2025-58923Shared CWE-98
CVE-2025-69057Shared CWE-98
CVE-2024-54263Shared CWE-98
CVE-2026-28035Shared CWE-98
CVE-2026-28024Shared CWE-98
CVE-2025-67525Shared CWE-98
CVE-2025-22707Shared CWE-98
CVE-2025-69375Shared CWE-98
CVE-2026-22443Shared CWE-98
CVE-2025-53198Shared CWE-98

Affected Assets

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

SI-10 Information Input Validation good match
prevent

Requires validation of user-supplied filenames prior to use in PHP include/require statements, directly preventing local file inclusion by rejecting unauthorized paths.

SI-2 Flaw Remediation good match
prevent

Mandates timely identification, reporting, and patching of the specific LFI flaw in the ThemeREX Edifice WordPress theme versions through 1.8.

RA-5 Vulnerability Monitoring and Scanning partial match
detect

Enables vulnerability scanning of web applications to identify LFI issues like CVE-2026-28033 in WordPress themes before exploitation.

References