Cyber Posture

CVE-2026-27342

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 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 TopFit - Fitness and Gym WordPress Theme topfit allows PHP Local File Inclusion.This issue affects TopFit - Fitness and Gym WordPress Theme: from…

more

n/a through <= 1.9.

Mitigating Controls (NIST 800-53 r5)AI

SI-2 Flaw Remediation good match
prevent

Directly remediates the PHP Local File Inclusion vulnerability by patching or upgrading the vulnerable TopFit WordPress theme beyond version 1.9.

SI-10 Information Input Validation good match
prevent

Validates user-supplied filenames and paths in PHP include/require statements to block arbitrary local file inclusion attacks.

RA-5 Vulnerability Monitoring and Scanning good match
detect

Monitors and scans WordPress themes for known vulnerabilities like CVE-2026-27342, enabling identification of the flaw in TopFit versions up to 1.9.

Security SummaryAI

CVE-2026-27342 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, affecting the Mikado-Themes TopFit - Fitness and Gym WordPress Theme (topfit). This flaw impacts all versions from n/a through 1.9, stemming from CWE-98.

The vulnerability carries 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 over the network by unauthenticated attackers without user interaction, albeit requiring high attack complexity. Successful exploitation allows attackers to achieve high impacts on confidentiality, integrity, and availability, potentially enabling local file inclusion to read sensitive data or execute arbitrary code via included PHP files.

Patchstack advisories document the vulnerability specifically in TopFit theme version 1.9, available at https://patchstack.com/database/Wordpress/Theme/topfit/vulnerability/wordpress-topfit-fitness-and-gym-wordpress-theme-theme-1-9-local-file-inclusion-vulnerability?_s_id=cve.

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-2026-27342 is an unauthenticated remote Local File Inclusion vulnerability in a public-facing WordPress theme via improper PHP include/require filename controls, directly enabling T1190 (Exploit Public-Facing Application) for unauthorized file access and potential code execution.

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

References