CVE-2025-69039: 
WordPress vulnerability analysis and mitigation

CVE-2025-69039 is a PHP Local File Inclusion (LFI) vulnerability in the Bailly WordPress theme developed by goalthemes. It stems from improper control of filename parameters used in PHP include/require statements (CWE-98), allowing unauthenticated remote attackers to include arbitrary local PHP files. All versions of the Bailly theme through 1.3.4 are affected. The vulnerability was published on January 22, 2026, and assigned by Patchstack. It carries a CVSS v3.1 base score of 8.1 (High) as scored by Patchstack (Patchstack).

The vulnerability is classified under CWE-98 (Improper Control of Filename for Include/Require Statement in PHP Program). The Bailly theme fails to properly validate or sanitize user-supplied input that is passed to PHP file inclusion functions (include/require), enabling an attacker to manipulate the filename parameter to reference arbitrary files on the local server. Because no authentication or user interaction is required (per the Patchstack CVSS scoring), exploitation can be performed remotely by any unauthenticated attacker who can send crafted HTTP requests to the vulnerable WordPress installation. No public proof-of-concept code has been identified at this time (Patchstack).

Successful exploitation of this LFI vulnerability can result in high impact to confidentiality, integrity, and availability of the affected WordPress server. An attacker could read sensitive local files (e.g., WordPress wp-config.php containing database credentials), execute arbitrary PHP code if writable files or log poisoning techniques are leveraged, and potentially achieve full server compromise. This could facilitate lateral movement within a hosting environment, credential theft, and unauthorized modification of application data (Patchstack).

There is no known public proof-of-concept exploit or evidence of active in-the-wild exploitation at this time. The EPSS score is approximately 0.053%, indicating a low probability of exploitation in the near term. The vulnerability has not been added to the CISA Known Exploited Vulnerabilities (KEV) catalog. No threat actor attribution has been reported (Patchstack).

1. Reconnaissance: Identify WordPress sites using the Bailly theme (version ≤ 1.3.4) via passive techniques such as HTTP response headers, HTML source inspection, or tools like WPScan.
2. Identify vulnerable parameter: Locate the theme's file inclusion endpoint or parameter that accepts user-controlled input for PHP file paths (e.g., a template or page parameter in a theme function).
3. Craft malicious request: Send a crafted HTTP GET or POST request to the WordPress site with a manipulated filename parameter pointing to a sensitive local file, such as ../../../../wp-config.php or /etc/passwd, using path traversal sequences.
4. Achieve file disclosure or code execution: If the server returns the contents of the targeted file, extract sensitive data (e.g., database credentials from wp-config.php). If log poisoning or other LFI-to-RCE techniques are applicable, inject PHP code into a server-readable log file and include it via the same parameter to achieve remote code execution (Patchstack).

• Network: Unusual HTTP requests containing path traversal sequences (e.g., ../, ..%2F, ....//) in query parameters or POST body targeting WordPress theme endpoints; requests to theme-related PHP files with unexpected file path values.
• Logs: WordPress or web server access logs showing repeated requests with encoded path traversal patterns to theme template parameters; HTTP 200 responses to requests referencing sensitive files like wp-config.php or /etc/passwd.
• File System: Unexpected PHP files written to world-writable directories (e.g., /tmp, upload directories) that may indicate log poisoning or webshell staging attempts.
• Process: Unusual child processes spawned by the web server process (e.g., bash, curl, wget) if LFI has been escalated to remote code execution.

Users should update the Bailly WordPress theme to a version newer than 1.3.4 as soon as a patched release becomes available from goalthemes. In the interim, the following mitigations are recommended: disable or remove the Bailly theme if it is not actively required; implement a Web Application Firewall (WAF) rule to detect and block path traversal and file inclusion patterns; ensure allow_url_include = Off is set in php.ini to prevent remote file inclusion; and apply the principle of least privilege to restrict PHP file access. Monitor web server access logs for suspicious file inclusion patterns (Patchstack).

The vulnerability was reported by Patchstack and noted in the Wordfence Intelligence weekly WordPress vulnerability report covering the period of December 15, 2025 to January 4, 2026. No significant broader media coverage, researcher commentary, or social media discussion has been identified beyond standard vulnerability database listings (Wordfence Blog).