CVE-2025-26964

High

Published: 25 February 2025

Published

25 February 2025

Modified

23 April 2026

KEV Added

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Patch

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CVSS Score 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Score 0.0085 75.0th percentile

Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-26964 is a high-severity PHP Remote File Inclusion (CWE-98) vulnerability in Themewinter Eventin. Its CVSS base score is 7.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 25.0% of CVEs by exploit likelihood; 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).

Threat & Defense at a Glance

What attackers do: exploitation maps to Exploit Public-Facing Application (T1190) and 1 other technique. What defenders deploy: see the NIST 800-53 controls recommended below.

Threat & Defense Details

Mitigating Controls (NIST 800-53 r5)AI

SI-10 Information Input Validation good match

prevent

Requires validation of filename inputs to PHP include/require statements, directly preventing local file inclusion by rejecting malicious paths.

SI-2 Flaw Remediation good match

prevent

Mandates timely flaw remediation, including patching the vulnerable Eventin WordPress plugin up to version 4.0.20 to eliminate the LFI vulnerability.

SI-9 Information Input Restrictions good match

prevent

Restricts filename inputs for file inclusions to organization-defined safe values or paths, blocking unauthorized local file access via traversal.

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 plugin directly enables exploitation of public-facing applications (T1190) and local file access for data collection (T1005).

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

NVD Description

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in Arraytics Eventin wp-event-solution allows PHP Local File Inclusion.This issue affects Eventin: from n/a through <= 4.0.20.

Deeper analysisAI

CVE-2025-26964 is an Improper Control of Filename for Include/Require Statement in PHP Program vulnerability, classified as PHP Remote File Inclusion, in the Arraytics Eventin wp-event-solution WordPress plugin. It enables PHP Local File Inclusion and affects Eventin versions from n/a through 4.0.20.

The vulnerability carries a CVSS v3.1 base score of 7.5 (High), with an attack vector of network (AV:N), high attack complexity (AC:H), low privileges required (PR:L), no user interaction (UI:N), unchanged scope (S:U), and high impacts to confidentiality, integrity, and availability (C:H/I:H/A:H). Attackers with low privileges can exploit it remotely under high-complexity conditions to perform local file inclusion, potentially leading to unauthorized file access or code execution depending on server configuration.

The Patchstack advisory (https://patchstack.com/database/Wordpress/Plugin/wp-event-solution/vulnerability/wordpress-eventin-plugin-4-0-20-local-file-inclusion-vulnerability?_s_id=cve) documents the local file inclusion issue in WordPress Eventin plugin version 4.0.20.