CVE-2026-22452

High

Published: 05 March 2026

Published

05 March 2026

Modified

22 April 2026

KEV Added

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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 0.0050 39.1th percentile

Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-22452 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 39.1th 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-2026-22452 is an Improper Control of Filename for Include/Require Statement in PHP Program vulnerability, known as PHP Remote File Inclusion, that enables PHP Local File Inclusion in the ThemeREX Hoverex WordPress theme. This flaw affects Hoverex versions from n/a through 1.5.10 and is associated with CWE-98.

The vulnerability carries a CVSS v3.1 base score of 8.1 (High), with network attack vector (AV:N), high attack complexity (AC:H), no privileges required (PR:N), no user interaction needed (UI:N), unchanged scope (S:U), and high impacts on confidentiality, integrity, and availability (C:H/I:H/A:H). Remote attackers can exploit it to perform local file inclusion, potentially allowing them to access or execute arbitrary local files on the server.

The Patchstack advisory documents this local file inclusion vulnerability specifically in Hoverex theme version 1.5.10 for WordPress, providing details on the issue in their vulnerability database.

OWASP Top 10 for Web (2025)

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2026-9573

Vulnerability details

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in ThemeREX Hoverex hoverex allows PHP Local File Inclusion.This issue affects Hoverex: from n/a through <= 1.5.10.

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 →

T1005 Data from Local System Collection

Adversaries may search local system sources, such as file systems, configuration files, local databases, virtual machine files, or process memory, to find files of interest and sensitive data prior to Exfiltration.

attack.mitre.org →

Why these techniques?

Public-facing WordPress theme vulnerability enables remote exploitation (T1190). LFI directly facilitates accessing sensitive data from local system files (T1005).

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