CVE-2025-47696: Blog Designer PRO RCE Vulnerability

CVE-2025-47696 Overview

CVE-2025-47696 is a PHP file inclusion vulnerability affecting the Solwin Blog Designer PRO WordPress plugin. The flaw is classified under [CWE-98]: Improper Control of Filename for Include/Require Statement in PHP Program. It impacts all versions of blog-designer-pro up to and including 3.4.7. An unauthenticated remote attacker can manipulate filename parameters passed to PHP include or require statements to load attacker-influenced files. According to the Patchstack Vulnerability Report, the issue manifests as a non-arbitrary local file inclusion that can compromise confidentiality, integrity, and availability of affected WordPress sites.

Critical Impact

An unauthenticated attacker can exploit the file inclusion flaw over the network to read sensitive files and potentially execute PHP code in the context of the WordPress site.

Affected Products

• Solwin Blog Designer PRO WordPress plugin versions up to and including 3.4.7
• WordPress sites running the vulnerable blog-designer-pro plugin
• Hosting environments serving the affected plugin without web application firewall protection

Discovery Timeline

• 2025-08-31 - CVE-2025-47696 published to NVD
• 2026-04-23 - Last updated in NVD database

Technical Details for CVE-2025-47696

Vulnerability Analysis

The vulnerability resides in how Blog Designer PRO handles filename input passed to PHP include or require statements. The plugin accepts a user-controlled value and incorporates it into an inclusion call without sufficient validation. Patchstack categorizes the resulting condition as an unauthenticated non-arbitrary local file inclusion, meaning the attacker influences the inclusion path within constraints rather than supplying a fully arbitrary URL. The flaw requires no authentication and no user interaction. Successful exploitation impacts confidentiality, integrity, and availability because included PHP files execute with the privileges of the web server process running WordPress.

Root Cause

The root cause is improper control of a filename used in an include/require statement, as defined by [CWE-98]. The plugin trusts request-derived input when constructing the path passed to PHP's inclusion functions. Missing allowlist validation and missing path normalization allow an attacker to influence which file the PHP interpreter loads.

Attack Vector

The attack vector is network-based. An attacker sends a crafted HTTP request to a vulnerable endpoint exposed by the blog-designer-pro plugin. The request supplies a manipulated parameter that the plugin uses in an include/require call. Because the issue is described as non-arbitrary, exploitation likely depends on specific path constraints or file extensions enforced by the plugin, which raises attack complexity but still permits loading of attacker-chosen local resources. Loaded PHP files are executed by the interpreter, while non-PHP files can disclose configuration data such as database credentials in wp-config.php.

No verified public exploit code is available at the time of writing. Refer to the Patchstack Vulnerability Report for additional technical context.

Detection Methods for CVE-2025-47696

Indicators of Compromise

• HTTP requests to blog-designer-pro plugin endpoints containing path traversal sequences such as ../, encoded variants like %2e%2e%2f, or absolute filesystem paths in query parameters
• Web server access logs showing unauthenticated requests that reference local files such as wp-config.php, /etc/passwd, or PHP files outside the plugin directory
• Unexpected PHP files appearing in wp-content/uploads/ or other writable directories following plugin-related requests
• Anomalous outbound connections from the WordPress host shortly after suspicious plugin requests

Detection Strategies

• Inspect WordPress access logs for requests targeting Blog Designer PRO handlers with filename, path, or template parameters containing traversal or unusual extensions
• Deploy web application firewall rules that flag local file inclusion patterns in query strings and POST bodies directed at /wp-content/plugins/blog-designer-pro/
• Monitor PHP error logs for include() or require() warnings referencing unexpected file paths
• Run plugin inventory scans to identify WordPress installations running blog-designer-pro at version 3.4.7 or earlier

Monitoring Recommendations

• Alert on read access to sensitive files such as wp-config.php initiated by the PHP-FPM or web server process outside normal operations
• Track file integrity for the WordPress webroot and flag new or modified PHP files in upload directories
• Correlate plugin-targeted HTTP requests with subsequent process or network activity from the web server account

How to Mitigate CVE-2025-47696

Immediate Actions Required

• Identify all WordPress sites running Blog Designer PRO version 3.4.7 or earlier and prioritize them for remediation
• Upgrade blog-designer-pro to a fixed release published by Solwin once available, as referenced in the Patchstack advisory
• If no patched version is installed, deactivate and remove the blog-designer-pro plugin until a fix is applied
• Rotate WordPress secrets, database credentials, and administrator passwords on any host where exploitation is suspected

Patch Information

The vendor advisory tracked by Patchstack indicates the vulnerability affects Blog Designer PRO through version 3.4.7. Site administrators should consult the Patchstack Vulnerability Report and the Solwin plugin changelog to confirm the fixed release before upgrading.

Workarounds

• Block requests to vulnerable Blog Designer PRO endpoints at the web application firewall or reverse proxy layer until the plugin is updated
• Set PHP open_basedir and allow_url_include=Off in php.ini to limit which files the interpreter can load
• Restrict filesystem permissions so the web server account cannot read sensitive files such as wp-config.php beyond what is operationally required
• Disable the plugin in staging and production environments where it is not actively required

# Configuration example: harden PHP against file inclusion abuse
# /etc/php/8.x/fpm/php.ini
allow_url_include = Off
allow_url_fopen = Off
open_basedir = "/var/www/html:/tmp"

# Restart PHP-FPM to apply
sudo systemctl restart php8.x-fpm

# WP-CLI: remove the vulnerable plugin until patched
wp plugin deactivate blog-designer-pro
wp plugin delete blog-designer-pro