Cyber Resilience

CVE-2025-54689

High

Published: 14 August 2025

Published
14 August 2025
Modified
23 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 0.0055 68.3th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-54689 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 in the top 31.7% 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).

Deeper analysis

CVE-2025-54689 is an Improper Control of Filename for Include/Require Statement in PHP Program vulnerability, known as PHP Remote File Inclusion but enabling PHP Local File Inclusion (CWE-98), in the thembay Urna theme for WordPress. This issue affects Urna versions from n/a through 2.5.7. Published on 2025-08-14T11:15:48.783, it carries a CVSS v3.1 base score of 8.1 (High: AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

Unauthenticated remote attackers (PR:N) with network access (AV:N) can exploit the vulnerability despite high attack complexity (AC:H) and no required user interaction (UI:N). Exploitation enables high-impact confidentiality, integrity, and availability effects (C:H/I:H/A:H), allowing local file inclusion that could lead to sensitive data disclosure, file manipulation, or system compromise depending on server configuration.

The Patchstack advisory (https://patchstack.com/database/Wordpress/Theme/urna/vulnerability/wordpress-urna-theme-2-5-7-local-file-inclusion-vulnerability?_s_id=cve) details the local file inclusion vulnerability in WordPress Urna theme version 2.5.7 and provides associated mitigation guidance.

EU & UK References

Vulnerability details

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in thembay Urna urna allows PHP Local File Inclusion.This issue affects Urna: from n/a through <= 2.5.7.

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 →
Why these techniques?

Direct remote exploitation of public-facing WordPress theme via LFI (CWE-98) matches T1190 as the primary initial access vector; secondary impacts like file reads or compromise are configuration-dependent and not guaranteed.

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

CVEs Like This One

CVE-2026-28087Shared CWE-98
CVE-2025-23952Shared CWE-98
CVE-2026-32505Shared CWE-98
CVE-2025-48149Shared CWE-98
CVE-2025-60058Shared CWE-98
CVE-2025-49994Shared CWE-98
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

SI-2 Flaw Remediation good match
prevent

Directly remediates the specific local file inclusion flaw in Urna theme versions through <=2.5.7 by applying patches or updates.

SI-10 Information Input Validation good match
prevent

Validates filenames used in PHP include/require statements within the Urna theme to block malicious local file paths supplied by unauthenticated attackers.

CM-6 Configuration Settings partial match
prevent

Enforces secure PHP configuration settings like open_basedir to restrict file system access and limit the impact of local file inclusion in the vulnerable theme.

References