Cyber Posture

CVE-2026-27080

High

Published: 25 March 2026

Published
25 March 2026
Modified
24 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 Deston deston allows PHP Local File Inclusion.This issue affects Deston: from n/a through <= 1.0.

Mitigating Controls (NIST 800-53 r5)AI

prevent

SI-2 requires identification, reporting, and correction of flaws like this PHP LFI vulnerability in the Deston theme through timely patching.

prevent

SI-10 mandates validation of information inputs, directly preventing exploitation by ensuring filenames in PHP include/require statements are properly sanitized or whitelisted.

detect

RA-5 vulnerability scanning identifies the CVE-2026-27080 LFI issue in deployed WordPress themes like Deston.

Security SummaryAI

CVE-2026-27080 is an Improper Control of Filename for Include/Require Statement in PHP Program vulnerability, known as PHP Remote File Inclusion, that enables PHP Local File Inclusion in the Mikado-Themes Deston WordPress theme. This issue affects Deston versions from n/a through 1.0 and is associated with 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 it is exploitable over the network by unauthenticated attackers requiring no user interaction, though high attack complexity is involved. Successful exploitation can result in high-impact compromises to confidentiality, integrity, and availability.

The Patchstack advisory at https://patchstack.com/database/Wordpress/Theme/deston/vulnerability/wordpress-deston-theme-1-0-local-file-inclusion-vulnerability?_s_id=cve details this local file inclusion vulnerability in the WordPress Deston theme version 1.0.

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?

LFI in public-facing WordPress theme enables remote exploitation of web app (T1190), file/directory discovery via traversal (T1083), and reading credentials from local files (T1552.001).

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

References