CVE-2026-1946 Overview
CVE-2026-1946 affects the GW AI Website Builder plugin for WordPress in all versions up to and including 1.0.1. The vulnerability results from a missing capability check on the gwaiwebu_gravitywrite_disconnect_handler() function. Authenticated attackers with Subscriber-level access or higher can invoke the gwaiwebu_gravitywrite_disconnect AJAX action to disconnect the plugin from the GravityWrite service. The flaw is classified under CWE-862: Missing Authorization and enables unauthorized modification of plugin state without administrator privileges.
Critical Impact
Any authenticated user, including low-privilege Subscribers, can disrupt the plugin's integration with GravityWrite, degrading site functionality for content generation workflows.
Affected Products
- GW AI Website Builder plugin for WordPress — versions up to and including 1.0.1
- WordPress sites with the plugin activated and open user registration
- Sites integrating the GW AI Website Builder with GravityWrite services
Discovery Timeline
- 2026-07-10 - CVE-2026-1946 published to NVD
- 2026-07-14 - Last updated in NVD database
Technical Details for CVE-2026-1946
Vulnerability Analysis
The GW AI Website Builder plugin registers an AJAX endpoint tied to the gwaiwebu_gravitywrite_disconnect_handler() function. This handler executes disconnect logic that severs the plugin's authenticated link to the GravityWrite service. The handler does not verify the caller's WordPress capability level before executing the disconnect action. As a result, any authenticated user session, including the default Subscriber role, can trigger the action successfully.
WordPress plugins are expected to gate privileged AJAX actions with current_user_can() checks. The absence of such a check allows the endpoint to treat all authenticated requests as authorized. The referenced source lines at api-functions.php#L4069 and api-functions.php#L4253 show the handler registration and execution paths that lack authorization enforcement.
Root Cause
The root cause is a missing authorization check on a state-changing AJAX handler. The developer relied on WordPress authentication alone rather than combining authentication with role-based capability validation. Nonce verification, if present, only protects against Cross-Site Request Forgery (CSRF) and does not restrict which authenticated roles may act.
Attack Vector
An attacker registers or uses an existing low-privilege account on the target WordPress site. The attacker then sends a POST request to wp-admin/admin-ajax.php specifying the gwaiwebu_gravitywrite_disconnect action. The server executes the disconnect handler and terminates the plugin's link to GravityWrite. The attack requires network access to the WordPress site and a valid Subscriber-or-above session.
The vulnerability manifests in the AJAX handler. See the Wordfence Vulnerability Report and the WordPress Plugin Changeset for technical details.
Detection Methods for CVE-2026-1946
Indicators of Compromise
- POST requests to /wp-admin/admin-ajax.php containing the action=gwaiwebu_gravitywrite_disconnect parameter from non-administrator sessions
- Unexpected disconnection events between the GW AI Website Builder plugin and GravityWrite service
- Plugin log entries indicating GravityWrite session termination without administrator activity
Detection Strategies
- Review WordPress access logs for AJAX action names beginning with gwaiwebu_ originating from low-privilege user IDs
- Correlate plugin state changes with authenticated session information to identify Subscriber-initiated privileged actions
- Alert on repeated invocations of the disconnect action from a single account or IP address
Monitoring Recommendations
- Enable WordPress audit logging to record AJAX action invocations and the initiating user role
- Monitor for new Subscriber account registrations followed by AJAX calls to plugin endpoints
- Track GW AI Website Builder plugin configuration state and alert on unauthorized disconnect events
How to Mitigate CVE-2026-1946
Immediate Actions Required
- Update the GW AI Website Builder plugin to the version released after 1.0.1 that includes the capability check fix
- Audit existing Subscriber accounts and remove any unrecognized registrations
- Disable open user registration on sites that do not require it by clearing the "Anyone can register" option in WordPress general settings
Patch Information
The fix is tracked in the WordPress plugin repository changeset 3481065. Review the WordPress Plugin Changeset for the specific code changes that add the missing capability check to gwaiwebu_gravitywrite_disconnect_handler().
Workarounds
- Deactivate the GW AI Website Builder plugin until the patched version can be installed
- Restrict access to /wp-admin/admin-ajax.php at the web application firewall (WAF) level for the gwaiwebu_gravitywrite_disconnect action
- Set the default new user role to a custom role without any capabilities, preventing new Subscribers from authenticating to AJAX endpoints
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
