Cyber Posture

CVE-2026-22397

High

Published: 05 March 2026

Published
05 March 2026
Modified
23 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 0.0016 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 Mikado-Themes Fleur fleur allows PHP Local File Inclusion.This issue affects Fleur: from n/a through <= 2.2.1.

Mitigating Controls (NIST 800-53 r5)AI

prevent

Directly remediates the PHP Local File Inclusion vulnerability by applying patches or updates to the affected Fleur WordPress theme versions up to 2.2.1.

prevent

Enforces validation of filenames used in PHP include/require statements to block malicious local file inclusion attempts exploiting improper input control.

prevent

Establishes secure configuration settings for PHP, such as open_basedir restrictions, to limit the scope of local file access even if the vulnerability is exploited.

Security SummaryAI

CVE-2026-22397 is an Improper Control of Filename for Include/Require Statement in PHP Program vulnerability, referred to as PHP Remote File Inclusion but enabling PHP Local File Inclusion, in the Mikado-Themes Fleur WordPress theme. This issue affects Fleur versions from n/a through 2.2.1 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).

Unauthenticated remote attackers can exploit this vulnerability over the network without user interaction, though it requires high attack complexity. Successful exploitation can result in high impacts to confidentiality, integrity, and availability, potentially allowing attackers to include and execute local PHP files on the server.

Mitigation details are available in the Patchstack advisory at https://patchstack.com/database/Wordpress/Theme/fleur/vulnerability/wordpress-fleur-theme-2-0-local-file-inclusion-vulnerability?_s_id=cve.

Details

CWE(s)

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.
T1083 File and Directory Discovery Discovery
Adversaries may enumerate files and directories or may search in specific locations of a host or network share for certain information within a file system.
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?

Unauthenticated remote exploitation of public-facing WordPress theme vulnerability (T1190) enables arbitrary local file inclusion, facilitating file and directory discovery (T1083) and access to unsecured credentials in files such as wp-config.php (T1552.001).

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

References