Cyber Resilience

CVE-2025-64373

High

Published: 18 December 2025

Published
18 December 2025
Modified
27 April 2026
KEV Added
—
Patch
—
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 0.0034 25.3th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-64373 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 25.3th 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-2025-64373 is an Improper Control of Filename for Include/Require Statement in PHP Program vulnerability, known as PHP Remote File Inclusion, which allows PHP Local File Inclusion in the shinetheme Traveler WordPress theme. This issue affects Traveler versions from n/a through those prior to 3.2.6, as documented in the CVE description published on 2025-12-18.

The vulnerability carries 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 exploitation is possible by unauthenticated remote attackers requiring high attack complexity but no user interaction. Attackers can achieve high impacts on confidentiality, integrity, and availability, enabling local file inclusion that may lead to arbitrary file reads, data disclosure, or potential code execution depending on server configuration.

Patchstack advisories detail the vulnerability in the Traveler theme and note it is addressed in version 3.2.6, recommending updates to this or later versions for mitigation. See https://patchstack.com/database/Wordpress/Theme/traveler/vulnerability/wordpress-traveler-theme-3-2-6-local-file-inclusion-vulnerability?_s_id=cve for full details.

EU & UK References

Vulnerability details

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in shinetheme Traveler traveler allows PHP Local File Inclusion.This issue affects Traveler: from n/a through < 3.2.6.

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?

T1190 for exploiting the public-facing WordPress theme vulnerability (LFI via improper filename control in PHP include/require). T1005 enabled by LFI allowing arbitrary local file reads and data disclosure.

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

CVEs Like This One

CVE-2025-58901Shared CWE-98
CVE-2026-28020Shared CWE-98
CVE-2025-58940Shared CWE-98
CVE-2025-49362Shared CWE-98
CVE-2025-69046Shared CWE-98
CVE-2025-58899Shared CWE-98
CVE-2025-49383Shared CWE-98
CVE-2025-58936Shared CWE-98
CVE-2026-28089Shared CWE-98
CVE-2025-26890Shared CWE-98

Affected Assets

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

SI-2 Flaw Remediation good match
prevent

Directly remediates the PHP Local File Inclusion vulnerability by requiring timely installation of the vendor patch in Traveler theme version 3.2.6.

SI-10 Information Input Validation good match
prevent

Mandates validation of untrusted inputs to PHP include/require statements, directly addressing the improper filename control that enables local file inclusion.

CM-6 Configuration Settings partial match
prevent

Enforces restrictive PHP configuration settings such as open_basedir or disable_functions to limit file access paths and mitigate LFI exploitation even if the application flaw persists.

References