Cyber Posture

CVE-2026-28119

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 axiomthemes Nirvana nir-vana allows PHP Local File Inclusion.This issue affects Nirvana: from n/a through <= 2.6.

Mitigating Controls (NIST 800-53 r5)AI

SI-2 Flaw Remediation good match
prevent

Directly requires identification, reporting, and correction of flaws like improper filename controls in PHP include/require statements in the Nirvana WordPress theme.

SI-10 Information Input Validation good match
prevent

Mandates validation of user inputs to filenames and paths used in file inclusion operations, preventing local file inclusion exploitation.

CM-6 Configuration Settings partial match
prevent

Enforces secure configuration settings such as PHP open_basedir restrictions or disabling allow_url_include to limit file access in vulnerable themes.

Security SummaryAI

CVE-2026-28119 is an Improper Control of Filename for Include/Require Statement in PHP Program vulnerability, classified under CWE-98 and commonly known as PHP Remote File Inclusion, though it enables PHP Local File Inclusion in the axiomthemes Nirvana (nir-vana) WordPress theme. This flaw affects all versions of the Nirvana theme up to and including 2.6. 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 high severity due to its potential for significant confidentiality, integrity, and availability impacts.

Attackers can exploit this vulnerability over the network without authentication or user interaction, though it requires high attack complexity. Successful exploitation allows remote unauthenticated attackers to perform local file inclusion, potentially leading to arbitrary code execution, data exposure, or system compromise depending on the included files and server configuration.

Patchstack has documented this vulnerability in their database for the WordPress Nirvana theme version 2.6, providing details at https://patchstack.com/database/Wordpress/Theme/nir-vana/vulnerability/wordpress-nirvana-theme-2-6-local-file-inclusion-vulnerability?_s_id=cve. Security practitioners should update to a patched version of the theme if available or remove it from production environments.

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?

The vulnerability is a remote file inclusion flaw in a public-facing WordPress theme, directly enabling exploitation of a public-facing application.

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

References