CVE-2025-7718: Resideo Plugin Privilege Escalation Flaw

CVE-2025-7718 Overview

CVE-2025-7718 is a privilege escalation vulnerability in the Resideo Plugin for the Resideo Real Estate WordPress Theme. The plugin fails to validate a user's identity before updating account details such as email addresses. Authenticated attackers with Subscriber-level access or higher can change any user's email, including administrators. After modifying the target email, the attacker triggers a password reset to take over the account. All plugin versions up to and including 2.5.4 are affected. The flaw is tracked under CWE-639: Authorization Bypass Through User-Controlled Key.

Critical Impact
A Subscriber-level account can be escalated to full administrator control over the WordPress site through account takeover.

Affected Products

Resideo Plugin for Resideo - Real Estate WordPress Theme, versions ≤ 2.5.4
WordPress installations bundling the Resideo Real Estate theme package
Multisite WordPress environments running the vulnerable plugin

Discovery Timeline

2025-09-10 - CVE-2025-7718 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-7718

Vulnerability Analysis

The Resideo plugin exposes an account update routine that accepts a user identifier and a new email address from the request body. The handler trusts the supplied identifier and does not confirm that the authenticated session belongs to that user. An attacker sends a crafted POST request specifying the target user's ID along with an attacker-controlled email address. The plugin overwrites the stored email without performing an ownership or capability check.

With the victim's email now pointing to the attacker, the attacker invokes the standard WordPress password reset flow at wp-login.php?action=lostpassword. The reset link arrives in the attacker's inbox, allowing them to set a new password and authenticate as the victim. When the victim holds the administrator role, the attacker gains full control of the WordPress site, including theme and plugin installation, user management, and database access via configured plugins.

Root Cause

The root cause is missing authorization on the email update endpoint. The plugin treats authentication as sufficient, allowing any user with Subscriber rights or above to act on records belonging to other users. This pattern matches CWE-639, where access decisions rely on a user-controlled identifier rather than the authenticated session.

Attack Vector

Exploitation requires network access to the WordPress site and a low-privilege account. Many real estate sites running Resideo permit open Subscriber registration for property inquiries, which lowers the barrier for attackers. Technical details are documented in the Wordfence Vulnerability Report.

The exploitation chain involves submitting an authenticated request to the vulnerable profile update endpoint with the administrator's user ID and an attacker-owned email address, then requesting a password reset for the administrator account. No exploitation code is required beyond standard HTTP tooling.

Detection Methods for CVE-2025-7718

Indicators of Compromise

Unexpected changes to the user_email column in the wp_users table for administrator or editor accounts
Password reset emails delivered to addresses that do not match historical account records
Subscriber accounts issuing POST requests to Resideo profile update endpoints targeting user IDs other than their own
New administrator logins from IP addresses or user agents not previously associated with the account

Detection Strategies

Audit the WordPress wp_users table and compare current email addresses against the last known good backup
Inspect web server access logs for POST requests to plugin endpoints containing a user_id parameter that does not match the session owner
Correlate Subscriber-level session activity with administrator password reset events in the same time window
Deploy a WordPress activity log plugin to record every email change and password reset with the initiating user and IP

Monitoring Recommendations

Forward WordPress authentication and profile-change events to a centralized log platform for correlation across the site fleet
Alert on any modification of an administrator email address regardless of which session initiated the change
Monitor outbound mail logs for password reset emails sent to newly seen domains
Track Subscriber account creation rates for spikes that precede privilege escalation attempts

How to Mitigate CVE-2025-7718

Immediate Actions Required

Update the Resideo plugin to a version later than 2.5.4 once the vendor publishes a fix; consult the ThemeForest item page for the latest release
Audit all administrator and editor accounts for unauthorized email changes and restore correct values
Force a password reset for every privileged account and invalidate active sessions
Disable open user registration on affected sites until the plugin is patched

Patch Information

At the time of NVD publication, the vendor advisory listed on Wordfence indicates the issue is present in all versions through 2.5.4. Site operators should monitor the vendor's ThemeForest listing for an updated release and apply it immediately upon availability.

Workarounds

Restrict the Resideo profile update endpoint at the web application firewall by blocking requests where the submitted user_id does not match the authenticated session
Set define('DISALLOW_FILE_MODS', true); in wp-config.php to limit damage if an administrator account is compromised
Require multi-factor authentication for all administrator and editor accounts so a stolen password alone cannot grant access
Temporarily deactivate the Resideo plugin on sites that do not require its real estate features until a patched version is installed

bash

# Identify recent email changes in the WordPress user table
wp db query "SELECT ID, user_login, user_email, user_registered FROM wp_users WHERE ID IN (SELECT user_id FROM wp_usermeta WHERE meta_key='wp_capabilities' AND meta_value LIKE '%administrator%');"

# Force password reset for all administrators
wp user reset-password $(wp user list --role=administrator --field=ID) --skip-email=false