Cyber Resilience

CVE-2026-28029

High

Published: 05 March 2026

Published
05 March 2026
Modified
22 April 2026
KEV Added
—
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-2026-28029 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 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).

Deeper analysis

CVE-2026-28029 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 EmojiNation WordPress theme. This issue affects EmojiNation versions from n/a through 1.0.12.

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 it can be exploited over the network by unauthenticated attackers requiring high attack complexity and no user interaction. Successful exploitation allows attackers to achieve high impacts on confidentiality, integrity, and availability, such as unauthorized file access or potential code execution via local file inclusion.

Mitigation details are available in the Patchstack advisory at https://patchstack.com/database/Wordpress/Theme/emojination/vulnerability/wordpress-emojination-theme-1-0-12-local-file-inclusion-vulnerability?_s_id=cve.

OWASP Top 10 for Web (2025)

A05:2025 Injection

EU & UK References

Vulnerability details

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in ThemeREX EmojiNation emojination allows PHP Local File Inclusion.This issue affects EmojiNation: from n/a through <= 1.0.12.

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?

The vulnerability is a Local File Inclusion (LFI) in a public-facing WordPress theme, directly enabling exploitation of a public-facing application.

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

CVEs Like This One

CVE-2025-58923Shared CWE-98
CVE-2025-69057Shared CWE-98
CVE-2024-54263Shared CWE-98
CVE-2026-28035Shared CWE-98
CVE-2026-28024Shared CWE-98
CVE-2025-67525Shared CWE-98
CVE-2025-22707Shared CWE-98
CVE-2025-69375Shared CWE-98
CVE-2026-22443Shared CWE-98
CVE-2025-53198Shared CWE-98

Affected Assets

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

SI-2 Flaw Remediation good match
prevent

Remediating the specific PHP Local File Inclusion flaw in the EmojiNation WordPress theme up to version 1.0.12 directly eliminates the vulnerability to remote exploitation.

SI-10 Information Input Validation good match
prevent

Validating filenames supplied to PHP include/require statements in the theme prevents attackers from injecting paths leading to unauthorized local file inclusion.

CM-6 Configuration Settings partial match
prevent

Enforcing secure PHP configuration settings like disabling allow_url_include and restricting open_basedir limits the scope of file inclusion even if input validation fails.

References