Cyber Posture

CVE-2026-22371

High

Published: 20 February 2026

Published
20 February 2026
Modified
15 April 2026
KEV Added
Patch
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 0.0006 17.4th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Description

Adversaries may search local file systems and remote file shares for files containing insecurely stored credentials.

Security Summary

CVE-2026-22371 is an Improper Control of Filename for Include/Require Statement in PHP Program vulnerability, classified as a PHP Remote File Inclusion issue that enables PHP Local File Inclusion. It affects the Gustavo WordPress theme developed by AncoraThemes, impacting all versions from n/a through 1.2.2.

The vulnerability carries a CVSS v3.1 base score of 8.1 (High), with an attack vector of network (AV:N), high attack complexity (AC:H), no privileges required (PR:N), no user interaction (UI:N), unchanged scope (S:U), and high impacts on confidentiality, integrity, and availability (C:H/I:H/A:H). Unauthenticated remote attackers can exploit it to perform local file inclusion, potentially allowing them to read sensitive files, execute arbitrary code, modify data, or disrupt service on affected WordPress installations running the vulnerable theme.

Patchstack has documented this local file inclusion vulnerability specific to the Gustavo WordPress theme version 1.2.2 in their database.

Details

CWE(s)
CWE-98

MITRE ATT&CK Enterprise Techniques

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.
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.
T1552.001 Credentials In Files Credential Access
Adversaries may search local file systems and remote file shares for files containing insecurely stored credentials.
Why these techniques?

LFI in public-facing WordPress theme enables T1190 (exploit public-facing app), facilitates T1005 (data from local system via file access), and T1552.001 (credentials in files like wp-config.php).

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

References