CVE-2026-27047

High

Published: 25 March 2026

Published

25 March 2026

Modified

24 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-2026-27047 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-2026-27047 is an Improper Control of Filename for Include/Require Statement vulnerability, classified as PHP Remote File Inclusion but enabling PHP Local File Inclusion (CWE-98), in the Mikado-Themes Curly Core WordPress plugin (curly-core). This issue affects all versions from n/a through 2.1.6, as published on 2026-03-25.

Unauthenticated attackers can exploit this vulnerability remotely over the network (AV:N), though it requires high attack complexity (AC:H) and no user interaction (UI:N) or privileges (PR:N), with no scope change (S:U). Successful exploitation yields high impacts on confidentiality, integrity, and availability (C:H/I:H/A:H), earning a CVSS 3.1 base score of 8.1.

The Patchstack advisory provides details on this Local File Inclusion vulnerability in Curly Core version 2.1.6, including mitigation guidance: https://patchstack.com/database/Wordpress/Plugin/curly-core/vulnerability/wordpress-curly-core-plugin-2-1-6-local-file-inclusion-vulnerability?_s_id=cve.

OWASP Top 10 for Web (2025)

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2026-15763

Vulnerability details

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in Mikado-Themes Curly Core curly-core allows PHP Local File Inclusion.This issue affects Curly Core: from n/a through <= 2.1.6.

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 →

T1005 Data from Local System Collection

Adversaries may search local system sources, such as file systems, configuration files, local databases, virtual machine files, or process memory, to find files of interest and sensitive data prior to Exfiltration.

attack.mitre.org →

Why these techniques?

CVE-2026-27047 is a public-facing LFI vulnerability in a WordPress plugin (T1190: Exploit Public-Facing Application) that directly enables reading arbitrary local files on the server (T1005: Data from Local System).

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