CVE-2026-28063

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 v3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score 0.0040 32.0th percentile

Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-28063 is a high-severity PHP Remote File Inclusion (CWE-98) vulnerability. Its CVSS base score is 8.1 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 32.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 RA-5 (Vulnerability Monitoring and Scanning) and SI-10 (Information Input Validation).

Deeper analysis

CVE-2026-28063 is an Improper Control of Filename for Include/Require Statement in PHP Program vulnerability, classified as PHP Remote File Inclusion but enabling PHP Local File Inclusion, in the ThemeREX Asia Garden WordPress theme. This issue affects Asia Garden versions from n/a through 1.3.1 and is associated with CWE-98.

Unauthenticated attackers can exploit the vulnerability remotely over the network (AV:N) without user interaction (UI:N) and with no privileges required (PR:N), though it demands high attack complexity (AC:H). Exploitation results in high impacts on confidentiality, integrity, and availability (C:H/I:H/A:H) within unchanged scope (S:U), yielding a CVSS v3.1 base score of 8.1.

The Patchstack advisory at https://patchstack.com/database/Wordpress/Theme/asia-garden/vulnerability/wordpress-asia-garden-theme-1-3-1-local-file-inclusion-vulnerability?_s_id=cve provides details on the Local File Inclusion vulnerability in the WordPress Asia Garden theme version 1.3.1.

OWASP Top 10 for Web (2025)

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2026-9723

Vulnerability details

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in ThemeREX Asia Garden asia-garden allows PHP Local File Inclusion.This issue affects Asia Garden: from n/a through <= 1.3.1.

CWE(s): CWE-98

Related Threats

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-2026-28063 is an unauthenticated remote Local File Inclusion vulnerability in a public-facing WordPress theme, enabling arbitrary local PHP file inclusion and execution, directly mapping to T1190: Exploit Public-Facing Application.

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