Cyber Resilience

CVE-2026-27340

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-2026-27340 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-2026-27340 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 AncoraThemes Apollo | Night Club, DJ Event WordPress Theme (apollo). This issue affects all versions from n/a through 1.3.1, as documented in the CVE published on 2026-03-05.

Remote, unauthenticated attackers (AV:N/PR:N/UI:N) can exploit the vulnerability over the network, though it requires high attack complexity (AC:H). Successful exploitation allows high impacts on confidentiality, integrity, and availability (C:H/I:H/A:H), with an overall CVSS 3.1 score of 8.1, potentially enabling attackers to include and execute arbitrary local PHP files.

Mitigation details are available in the Patchstack advisory at https://patchstack.com/database/Wordpress/Theme/apollo/vulnerability/wordpress-apollo-night-club-dj-event-wordpress-theme-theme-1-3-1-local-file-inclusion-vulnerability?_s_id=cve, which covers the Local File Inclusion vulnerability in Apollo theme version 1.3.1.

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 AncoraThemes Apollo | Night Club, DJ Event WordPress Theme apollo allows PHP Local File Inclusion.This issue affects Apollo | Night Club, DJ Event WordPress…

more

Theme: 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 →
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?

LFI vulnerability in public-facing WordPress theme directly enables exploitation of public-facing applications (T1190) and facilitates remote access to data from local system files (T1005).

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

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CVE-2025-58225Shared CWE-98
CVE-2026-22427Shared CWE-98
CVE-2025-69402Shared CWE-98
CVE-2025-64205Shared CWE-98
CVE-2026-28013Shared CWE-98

Affected Assets

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

SI-2 Flaw Remediation good match
prevent

Directly remediates the specific PHP Local File Inclusion flaw in the Apollo WordPress theme by applying patches or updates as detailed in the Patchstack advisory.

SI-10 Information Input Validation good match
prevent

Enforces validation of user-supplied filenames in PHP include/require statements to prevent arbitrary local file execution.

CM-6 Configuration Settings partial match
prevent

Establishes secure PHP configuration settings like allow_url_include=Off and open_basedir to restrict unauthorized file inclusion capabilities.

References