CVE-2025-67931: BulletProof Security Data Vulnerability

CVE-2025-67931 Overview

A sensitive data exposure vulnerability has been identified in the AITpro BulletProof Security WordPress plugin. This vulnerability is classified as CWE-201 (Insertion of Sensitive Information Into Sent Data), which occurs when the application inadvertently includes sensitive information in data that is transmitted to external actors. Attackers can exploit this weakness to retrieve embedded sensitive data from the affected WordPress installations without requiring authentication.

Critical Impact

Unauthenticated attackers can remotely extract sensitive information from WordPress sites running vulnerable versions of BulletProof Security plugin, potentially exposing confidential configuration data, credentials, or other security-critical information.

Affected Products

• AITpro BulletProof Security WordPress Plugin version 6.9 and earlier
• WordPress installations with bulletproof-security plugin installed

Discovery Timeline

• 2026-01-08 - CVE-2025-67931 published to NVD
• 2026-01-08 - Last updated in NVD database

Technical Details for CVE-2025-67931

Vulnerability Analysis

This vulnerability stems from improper handling of sensitive information within the BulletProof Security plugin's data transmission mechanisms. The plugin, designed to provide security hardening for WordPress installations, ironically contains a flaw that allows sensitive data to be exposed to unauthorized parties.

The vulnerability requires no user interaction and can be exploited remotely over the network. The attack complexity is low, meaning exploitation does not require specialized conditions or circumstances. Critically, no privileges are required to exploit this vulnerability, making it accessible to anonymous attackers.

The primary impact is on confidentiality, as successful exploitation allows attackers to retrieve sensitive data embedded within the plugin's responses. There is no direct impact on system integrity or availability from this specific vulnerability.

Root Cause

The root cause of CVE-2025-67931 lies in the improper inclusion of sensitive information in data structures that are transmitted to users or external systems. The BulletProof Security plugin fails to adequately sanitize or remove sensitive data before including it in responses, violating the principle of data minimization in security-sensitive applications.

This type of vulnerability (CWE-201) typically occurs when developers include debugging information, internal system paths, configuration details, or other sensitive data in output that is accessible to end users or can be intercepted during transmission.

Attack Vector

The attack vector for this vulnerability is network-based, allowing remote exploitation. An attacker can craft requests to the affected WordPress installation that trigger the vulnerable code path in the BulletProof Security plugin. The response from the server will contain embedded sensitive information that the attacker can extract and analyze.

Since no authentication is required, any external party with network access to the WordPress site can potentially exploit this vulnerability. The attack does not require any special tools or techniques beyond standard HTTP communication.

For detailed technical information about this vulnerability, refer to the Patchstack Vulnerability Database Entry.

Detection Methods for CVE-2025-67931

Indicators of Compromise

• Unusual outbound data in HTTP responses from WordPress installations running BulletProof Security
• Unexpected access patterns to BulletProof Security plugin endpoints
• Evidence of reconnaissance activity targeting WordPress security plugins
• Log entries showing repeated requests to plugin-specific URLs from unknown sources

Detection Strategies

• Monitor HTTP response headers and bodies for inadvertent disclosure of sensitive configuration data
• Implement web application firewall (WAF) rules to detect and alert on sensitive data patterns in outbound traffic
• Review access logs for suspicious request patterns targeting the bulletproof-security plugin directory
• Deploy SentinelOne Singularity to detect anomalous data exfiltration attempts from WordPress servers

Monitoring Recommendations

• Enable detailed logging for WordPress and the BulletProof Security plugin
• Implement egress filtering and monitoring to detect unusual data transmission patterns
• Set up alerts for unauthorized access attempts to security plugin configuration files
• Regularly audit installed WordPress plugins and their versions against known vulnerability databases

How to Mitigate CVE-2025-67931

Immediate Actions Required

• Update the BulletProof Security plugin to a patched version when available from AITpro
• Consider temporarily disabling the BulletProof Security plugin until a patch is released if the risk is deemed unacceptable
• Implement additional access controls at the web server level to restrict access to plugin endpoints
• Review server logs for any evidence of prior exploitation attempts

Patch Information

Users should monitor the Patchstack Vulnerability Database and the official AITpro BulletProof Security plugin page for patch releases addressing this vulnerability. Update the plugin to a version greater than 6.9 when available.

Workarounds

• Implement a Web Application Firewall (WAF) with rules to filter sensitive data from outbound responses
• Restrict network access to WordPress administrative and plugin endpoints using IP allowlisting
• Enable WordPress security hardening measures at the server configuration level
• Consider using alternative WordPress security plugins until a patch is available

# Example: Restrict access to plugin directory via .htaccess
# Add to your WordPress .htaccess file

<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteCond %{REQUEST_URI} ^/wp-content/plugins/bulletproof-security/ [NC]
    RewriteCond %{REMOTE_ADDR} !^192\.168\.1\. [NC]
    RewriteRule .* - [F,L]
</IfModule>