CVE-2025-28946: PrintXtore Path Traversal Vulnerability

CVE-2025-28946 Overview

CVE-2025-28946 is a PHP Local File Inclusion (LFI) vulnerability affecting the BZOTheme PrintXtore WordPress theme (bw-printxtore). The flaw stems from improper control of filenames used in PHP include or require statements [CWE-98]. Attackers can manipulate file path parameters to load arbitrary local files through the theme's PHP execution context.

The vulnerability affects all PrintXtore versions up to and including 1.7.8. Successful exploitation can result in disclosure of sensitive server files, configuration data, or execution of attacker-controlled PHP code when combined with file upload primitives.

Critical Impact
Unauthenticated attackers can read sensitive files and potentially achieve remote code execution on WordPress sites running vulnerable PrintXtore theme versions.

Affected Products

BZOTheme PrintXtore WordPress theme (bw-printxtore)
PrintXtore versions from initial release through < 1.7.8
WordPress installations using the vulnerable theme

Discovery Timeline

2025-06-27 - CVE-2025-28946 published to NVD
2026-04-23 - Last updated in NVD database

Technical Details for CVE-2025-28946

Vulnerability Analysis

The vulnerability resides in the PrintXtore theme's handling of user-supplied input passed to PHP file inclusion functions. The theme accepts a parameter that is concatenated into an include, include_once, require, or require_once statement without proper validation or sanitization.

Local File Inclusion vulnerabilities allow attackers to traverse the file system and load files outside the intended directory. On WordPress installations, this exposes wp-config.php, which contains database credentials and authentication keys. Attackers can chain LFI with log poisoning or session file manipulation to achieve remote code execution.

The attack requires no authentication and can be triggered remotely over the network. The high attack complexity reflects specific conditions required for reliable exploitation, such as knowledge of file paths or chaining with secondary primitives.

Root Cause

The root cause is improper control of filename input passed to PHP file inclusion statements [CWE-98]. The theme fails to validate that user-supplied path components resolve to expected files within an allowlisted directory. Path traversal sequences such as ../ are not stripped, and absolute paths are not rejected.

Attack Vector

An attacker sends a crafted HTTP request to a vulnerable endpoint exposed by the PrintXtore theme. The request includes a parameter referencing an arbitrary file path. The PHP interpreter loads and executes the referenced file in the context of the web server process.

When the theme uses unfiltered request parameters in an include statement, an attacker can supply traversal sequences to load files such as /etc/passwd, wp-config.php, or session files. If the attacker can write PHP content to a server-readable location, the inclusion executes that content as code. Technical details are available in the Patchstack advisory.

Detection Methods for CVE-2025-28946

Indicators of Compromise

HTTP requests to PrintXtore theme endpoints containing path traversal sequences such as ../ or URL-encoded variants like %2e%2e%2f
Access log entries referencing sensitive files such as wp-config.php, /etc/passwd, or /proc/self/environ
Unexpected PHP errors in web server logs indicating failed include or require operations
Outbound connections from the web server process to attacker-controlled infrastructure following suspicious requests

Detection Strategies

Inspect web server access logs for requests targeting theme files under /wp-content/themes/bw-printxtore/ with parameters containing file paths
Deploy web application firewall (WAF) rules to flag path traversal patterns and null byte injection in query strings and POST bodies
Monitor file integrity on wp-config.php and other sensitive files for unauthorized read patterns where supported

Monitoring Recommendations

Enable verbose logging on the WordPress installation and review PHP error logs for inclusion failures
Correlate web request anomalies with process execution telemetry on the underlying host
Track outbound network connections initiated by the PHP-FPM or web server worker processes

How to Mitigate CVE-2025-28946

Immediate Actions Required

Update the PrintXtore theme to version 1.7.8 or later as soon as the patched release is available
Audit web server access logs for evidence of exploitation attempts dating back to the theme's installation
Rotate WordPress database credentials, authentication keys, and salts in wp-config.php if compromise is suspected
Restrict file system permissions so the web server user cannot read sensitive files outside the web root

Patch Information

The vendor addresses the vulnerability in PrintXtore versions after 1.7.8. Refer to the Patchstack vulnerability database entry for the latest remediation guidance and patched version details.

Workarounds

Disable or remove the PrintXtore theme until a patched version is installed
Deploy WAF rules blocking path traversal sequences and absolute path references in HTTP parameters
Configure PHP open_basedir to restrict file inclusion to the WordPress installation directory
Set allow_url_include and allow_url_fopen to Off in php.ini to prevent remote inclusion escalation

bash

# php.ini hardening to limit file inclusion scope
allow_url_include = Off
allow_url_fopen = Off
open_basedir = "/var/www/html:/tmp"