CVE-2026-22413

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-2026-22413 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-2026-22413 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, affecting the Mikado-Themes Malgré (malgre) WordPress theme. This issue impacts versions from n/a through 1.0.3 and is associated with CWE-98. The vulnerability was published on 2026-03-05 with 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).

Remote attackers can exploit this vulnerability over the network without privileges or user interaction, though it requires high attack complexity. Successful exploitation grants high impacts on confidentiality, integrity, and availability, potentially allowing attackers to include and execute local files on the server.

The Patchstack advisory (https://patchstack.com/database/Wordpress/Theme/malgre/vulnerability/wordpress-malgre-theme-1-0-3-local-file-inclusion-vulnerability?_s_id=cve) documents this local file inclusion vulnerability in the WordPress Malgre theme version 1.0.3.

OWASP Top 10 for Web (2025)

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2026-9542

Vulnerability details

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in Mikado-Themes Malgré malgre allows PHP Local File Inclusion.This issue affects Malgré: from n/a through <= 1.0.3.

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?

This is a Local File Inclusion vulnerability in a public-facing WordPress theme, exploitable by unauthenticated remote attackers, directly mapping to exploitation of a public-facing application.

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