Cyber Posture

CVE-2026-27334

High

Published: 05 March 2026

Published
05 March 2026
Modified
22 April 2026
KEV Added
—
Patch
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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 dan_fisher Alchemists alchemists allows PHP Local File Inclusion.This issue affects Alchemists: from n/a through <= 4.6.0.

Mitigating Controls (NIST 800-53 r5)AI

SI-2 Flaw Remediation good match
prevent

Timely flaw remediation directly patches the PHP Local File Inclusion vulnerability in the Alchemists WordPress theme, preventing exploitation across affected versions.

SI-10 Information Input Validation good match
prevent

Validates user-supplied filenames in PHP include/require statements to block path traversal and local file inclusion attempts.

CM-6 Configuration Settings partial match
prevent

Enforces secure PHP configuration settings such as open_basedir restrictions to limit file access and mitigate LFI exploitation.

Security SummaryAI

CVE-2026-27334 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, in the Alchemists WordPress theme developed by dan_fisher. It affects all versions of the theme from n/a through 4.6.0 and was published on 2026-03-05.

The vulnerability has 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 exploitation is possible over the network by unauthenticated attackers with no user interaction required, though it demands high attack complexity. Successful exploitation can result in high impacts to confidentiality, integrity, and availability, such as unauthorized access to local files on the server.

Patchstack's advisory at https://patchstack.com/database/Wordpress/Theme/alchemists/vulnerability/wordpress-alchemists-theme-4-6-0-local-file-inclusion-vulnerability?_s_id=cve documents this Local File Inclusion vulnerability specifically in Alchemists theme version 4.6.0 and provides details relevant to mitigation for affected WordPress installations.

Details

CWE(s)
CWE-98

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?

CVE-2026-27334 is a Local File Inclusion vulnerability in a public-facing WordPress theme, directly enabling T1190 (Exploit Public-Facing Application) for unauthenticated remote attackers to include arbitrary local files, leading to high-impact compromise.

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

References