CVE-2025-67529
Published: 09 December 2025
Summary
CVE-2025-67529 is a high-severity PHP Remote File Inclusion (CWE-98) vulnerability. Its CVSS base score is 7.5 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 27.8th 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).
Threat & Defense at a Glance
Threat & Defense Details
Mitigating Controls (NIST 800-53 r5)AI
Directly mitigates the LFI vulnerability by requiring timely patching of the vulnerable fashion2 WordPress theme to version 5.3.0.
Requires validation of filenames used in PHP include/require statements to block arbitrary local file inclusion attempts.
Enforces secure configuration settings in PHP, such as open_basedir restrictions, to limit the scope of local file access in LFI exploits.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
The vulnerability is a critical remote file inclusion flaw in a public-facing WordPress theme, directly enabling exploitation of public-facing applications (T1190) and arbitrary local file disclosure (T1005), with potential for RCE depending on configuration.
NVD Description
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in Opal_WP Fashion fashion2 allows PHP Local File Inclusion.This issue affects Fashion: from n/a through < 5.3.0.
Deeper analysisAI
CVE-2025-67529 is an Improper Control of Filename for Include/Require Statement in PHP Program vulnerability, known as PHP Remote File Inclusion, present in the Opal_WP Fashion fashion2 WordPress theme. It enables PHP Local File Inclusion and affects all versions from n/a through those prior to 5.3.0. The issue is mapped to CWE-98 and was published on 2025-12-09.
The vulnerability carries a CVSS v3.1 base score of 7.5 (High), with the attack vector AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H. Attackers with network access, capable of high-complexity exploitation, and possessing low privileges can target it without user interaction. Successful exploitation leads to high impacts on confidentiality, integrity, and availability.
The Patchstack advisory at https://patchstack.com/database/Wordpress/Theme/fashion2/vulnerability/wordpress-fashion-theme-5-3-0-local-file-inclusion-vulnerability?_s_id=cve details the local file inclusion vulnerability in the fashion2 theme and indicates that updating to version 5.3.0 addresses the issue.
Details
- CWE(s)