Cyber Resilience

CVE-2026-39611

High

Published: 08 April 2026

Published
08 April 2026
Modified
24 April 2026
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0015 34.9th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-39611 is a high-severity PHP Remote File Inclusion (CWE-98) vulnerability. Its CVSS base score is 7.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 34.9th 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 CM-6 (Configuration Settings) and SI-10 (Information Input Validation).

Deeper analysis

CVE-2026-39611 is an Improper Control of Filename for Include/Require Statement vulnerability in PHP programs, described as PHP Remote File Inclusion but enabling PHP Local File Inclusion (CWE-98). It affects the KuteShop WordPress theme developed by kutethemes, with versions from n/a through 4.2.9 impacted. The vulnerability was published on 2026-04-08 and carries a CVSS v3.1 base score of 7.5 (AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).

Exploitation requires network access, high attack complexity, low privileges (such as an authenticated low-privilege WordPress user), and no user interaction. Attackers can achieve high impacts across confidentiality, integrity, and availability, potentially allowing local file inclusion that leads to unauthorized file access or execution on the affected server.

The Patchstack advisory at https://patchstack.com/database/Wordpress/Theme/kuteshop/vulnerability/wordpress-kuteshop-theme-4-2-9-local-file-inclusion-vulnerability?_s_id=cve provides details on this Local File Inclusion vulnerability in the KuteShop WordPress theme version 4.2.9. Security practitioners should consult this reference for mitigation guidance, such as applying available patches or updates.

EU & UK References

Vulnerability details

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in kutethemes KuteShop kuteshop allows PHP Local File Inclusion.This issue affects KuteShop: from n/a through <= 4.2.9.

CWE(s)

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.
Why these techniques?

The CVE describes a local file inclusion vulnerability in a public-facing WordPress theme that can be directly exploited over the network to achieve code execution or unauthorized file access on the server.

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

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CVE-2026-24531Shared CWE-98
CVE-2025-67527Shared CWE-98
CVE-2025-69396Shared CWE-98
CVE-2025-62067Shared CWE-98

Affected Assets

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

prevent

Directly remediates the LFI vulnerability in the KuteShop WordPress theme by identifying, reporting, and applying patches or updates as specified in the Patchstack advisory.

prevent

Requires validation of filenames used in PHP include/require statements to prevent improper control leading to local file inclusion by authenticated low-privilege users.

prevent

Enforces secure PHP configuration settings such as open_basedir restrictions and disabling allow_url_include to limit file access paths exploitable in LFI attacks.

References