CVE-2025-4631: Profitori Plugin Privilege Escalation Flaw

CVE-2025-4631 Overview

The Profitori plugin for WordPress contains a critical Privilege Escalation vulnerability resulting from a missing capability check on the stocktend_object endpoint. This security flaw affects versions 2.0.6.0 through 2.1.1.3 of the plugin and allows unauthenticated attackers to trigger the save_object_as_user() function when processing objects with a _datatype set to users. By exploiting this weakness, attackers can write arbitrary strings directly into a user's wp_capabilities meta field, enabling them to elevate privileges of existing user accounts or newly created accounts to administrator level.

Critical Impact

Unauthenticated attackers can gain complete administrative control of WordPress sites by manipulating user capability meta fields, leading to full site compromise.

Affected Products

• Profitori WordPress Plugin versions 2.0.6.0 to 2.1.1.3
• WordPress installations running vulnerable Profitori plugin versions

Discovery Timeline

• 2025-05-31 - CVE-2025-4631 published to NVD
• 2025-06-02 - Last updated in NVD database

Technical Details for CVE-2025-4631

Vulnerability Analysis

This vulnerability is classified under CWE-285 (Improper Authorization) and represents a severe authorization bypass in the Profitori WordPress plugin. The core issue stems from the plugin's failure to implement proper capability checks before allowing sensitive operations on the stocktend_object REST API endpoint.

The vulnerable code path allows unauthenticated requests to reach the save_object_as_user() function, which is designed to handle user object creation and modification. When an attacker crafts a malicious request with _datatype set to users, the function processes the request without verifying whether the requester has appropriate privileges to modify user data.

The attack can be executed remotely over the network without any authentication requirements or user interaction, making it trivially exploitable. Successful exploitation results in complete compromise of confidentiality, integrity, and availability of the affected WordPress installation.

Root Cause

The root cause of CVE-2025-4631 is the absence of authorization checks on the stocktend_object REST endpoint in the Profitori plugin. WordPress plugins should implement capability checks using functions like current_user_can() before performing privileged operations. The Profitori plugin fails to validate that the requesting user has the necessary capabilities to modify user metadata, specifically the wp_capabilities field that controls WordPress user roles.

The vulnerable code path in profitori.php processes incoming requests and routes them to save_object_as_user() based on the _datatype parameter without first establishing whether the requester is authorized to perform such actions. This architectural flaw allows any remote attacker to invoke privileged functionality.

Attack Vector

The attack exploits the unprotected stocktend_object endpoint through the WordPress REST API. An attacker can send a crafted HTTP request to the vulnerable endpoint with a payload specifying _datatype as users and including arbitrary capability values.

The attack flow involves:

1. Identifying a WordPress site running a vulnerable version of Profitori (2.0.6.0 - 2.1.1.3)
2. Sending an unauthenticated POST request to the stocktend_object endpoint
3. Including a payload that sets _datatype to users and specifies administrator capabilities
4. The plugin processes the request and writes the attacker-controlled capability values to the target user's wp_capabilities meta field
5. The targeted account (existing or newly created) is elevated to administrator privileges

For detailed technical analysis, see the Wordfence Vulnerability Report and the vulnerable code in profitori.php.

Detection Methods for CVE-2025-4631

Indicators of Compromise

• Unexpected user accounts with administrator privileges appearing in the WordPress user database
• Anomalous REST API requests to Profitori plugin endpoints, particularly stocktend_object
• Modifications to wp_capabilities user meta field entries without corresponding administrative actions
• Suspicious POST requests containing _datatype set to users in request payloads

Detection Strategies

• Implement web application firewall (WAF) rules to inspect and filter requests to Profitori plugin endpoints
• Monitor WordPress REST API access logs for unauthenticated requests targeting plugin-specific endpoints
• Deploy file integrity monitoring to detect unauthorized changes to WordPress user tables
• Configure SIEM alerts for privilege escalation patterns, including new administrator account creation

Monitoring Recommendations

• Enable comprehensive logging for all WordPress REST API interactions
• Implement real-time alerting on user capability modifications
• Regularly audit user accounts and their assigned privileges for anomalies
• Monitor database queries affecting the wp_usermeta table, particularly those modifying capability fields

How to Mitigate CVE-2025-4631

Immediate Actions Required

• Update the Profitori plugin to a patched version beyond 2.1.1.3 immediately
• Audit all existing WordPress user accounts for unauthorized privilege escalations
• Review access logs for evidence of exploitation attempts against the stocktend_object endpoint
• Consider temporarily deactivating the Profitori plugin until a patch is applied if an update is not immediately available

Patch Information

Organizations running affected versions of the Profitori plugin (2.0.6.0 through 2.1.1.3) should update to the latest available version that addresses this vulnerability. Check the Profitori plugin developer page for the most recent release information and patch availability.

Workarounds

• Temporarily disable the Profitori plugin until an official patch is applied
• Implement WAF rules to block unauthenticated POST requests to Profitori REST API endpoints
• Restrict access to the WordPress REST API at the web server level for untrusted networks
• Enable WordPress application-level logging and monitoring to detect exploitation attempts

# Example: Block access to Profitori REST API endpoints via .htaccess
# Add to WordPress root .htaccess file
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{REQUEST_URI} ^/wp-json/.*stocktend.* [NC]
RewriteCond %{REQUEST_METHOD} POST
RewriteRule ^ - [F,L]
</IfModule>