CVE-2025-63051 Overview
CVE-2025-63051 is a Sensitive Data Exposure vulnerability affecting the REHub Framework plugin for WordPress. This vulnerability allows unauthorized actors to retrieve embedded sensitive system information from affected WordPress installations running vulnerable versions of the rehub-framework plugin.
The vulnerability is classified under CWE-497 (Exposure of Sensitive System Information to an Unauthorized Control Sphere), indicating that the plugin improperly exposes internal system information that could be leveraged by attackers to gain further access or intelligence about the target environment.
Critical Impact
Attackers can retrieve embedded sensitive data from WordPress sites running vulnerable versions of REHub Framework, potentially exposing configuration details, system information, or other sensitive data that should not be accessible to unauthorized users.
Affected Products
- REHub Framework (rehub-framework) WordPress plugin versions prior to 19.9.9.4
- WordPress installations utilizing the REHub Framework plugin
Discovery Timeline
- 2026-01-22 - CVE CVE-2025-63051 published to NVD
- 2026-01-22 - Last updated in NVD database
Technical Details for CVE-2025-63051
Vulnerability Analysis
This vulnerability stems from improper access controls within the REHub Framework WordPress plugin that allow unauthorized users to access sensitive system information. The plugin fails to properly restrict access to certain data endpoints or functions, enabling attackers to retrieve embedded sensitive data without proper authentication or authorization.
WordPress plugins that handle affiliate marketing, product comparisons, and content aggregation (typical REHub Framework functionality) often process and store configuration data, API keys, and other sensitive information. When access controls are not properly implemented, this data can be exposed to unauthorized parties.
Root Cause
The root cause of CVE-2025-63051 is the exposure of sensitive system information to an unauthorized control sphere. This typically occurs when:
- Plugin endpoints lack proper authentication checks
- Sensitive data is stored in publicly accessible locations
- Internal system information is inadvertently included in API responses or page outputs
- Debug or configuration information is exposed without proper access restrictions
The REHub Framework plugin failed to implement adequate access controls on functionality that handles or exposes system-level information.
Attack Vector
An attacker can exploit this vulnerability by sending crafted requests to the vulnerable WordPress installation. Since this is an information disclosure vulnerability, the attack typically requires:
- Reconnaissance: Identifying WordPress sites running vulnerable versions of REHub Framework
- Request Crafting: Sending requests to vulnerable endpoints that expose sensitive data
- Data Extraction: Retrieving embedded sensitive information from the server response
The vulnerability allows attackers to retrieve sensitive data through the normal plugin interface without requiring authentication credentials. This exposed information could include system paths, configuration details, internal identifiers, or other data useful for planning further attacks.
Detection Methods for CVE-2025-63051
Indicators of Compromise
- Unusual requests to REHub Framework plugin endpoints from unknown IP addresses
- Increased access to plugin-specific REST API routes or AJAX handlers
- Log entries showing repeated requests probing for sensitive data endpoints
- Unexpected external access to internal configuration or system information endpoints
Detection Strategies
- Monitor WordPress access logs for suspicious requests targeting /wp-content/plugins/rehub-framework/ paths
- Implement Web Application Firewall (WAF) rules to detect information disclosure attack patterns
- Review server logs for enumeration attempts against plugin endpoints
- Configure intrusion detection systems to alert on unusual data extraction patterns
Monitoring Recommendations
- Enable detailed logging for WordPress plugin activity
- Set up alerts for access attempts to sensitive plugin endpoints from unauthenticated users
- Monitor for bulk data retrieval patterns that may indicate exploitation
- Implement network-level monitoring for data exfiltration indicators
How to Mitigate CVE-2025-63051
Immediate Actions Required
- Update REHub Framework plugin to version 19.9.9.4 or later immediately
- Audit WordPress installations to identify all instances running vulnerable versions
- Review server logs to determine if the vulnerability has been exploited
- Rotate any credentials or API keys that may have been exposed
Patch Information
The vulnerability has been addressed in REHub Framework version 19.9.9.4. Administrators should update to this version or later to remediate the vulnerability. For detailed patch information, consult the Patchstack Vulnerability Report.
Workarounds
- Temporarily disable the REHub Framework plugin if immediate patching is not possible
- Implement WAF rules to block access to vulnerable endpoints
- Restrict access to the WordPress admin and plugin directories at the web server level
- Consider using a security plugin that provides virtual patching capabilities until the official update can be applied
# Configuration example - Restrict plugin access via .htaccess
# Add to /wp-content/plugins/rehub-framework/.htaccess
<FilesMatch "\.(php|json)$">
Order Deny,Allow
Deny from all
Allow from 127.0.0.1
</FilesMatch>
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
