CVE-2025-48167 Overview
CVE-2025-48167 is a missing authorization vulnerability in the alexvtn Chatbox Manager WordPress plugin (wa-chatbox-manager). The flaw affects all versions up to and including 1.2.5. Authenticated users with low-level privileges can access functionality that should be restricted to higher-privileged roles. The issue results from incorrectly configured access control on plugin endpoints, as classified under CWE-862. Successful exploitation impacts the confidentiality and integrity of plugin data on affected WordPress installations.
Critical Impact
Authenticated attackers with low privileges can bypass access control checks in the Chatbox Manager plugin to read or modify data they should not be able to reach.
Affected Products
- alexvtn Chatbox Manager (wa-chatbox-manager) WordPress plugin
- All versions from initial release through 1.2.5
- WordPress sites running the plugin with any authenticated user role
Discovery Timeline
- 2025-07-16 - CVE-2025-48167 published to NVD
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2025-48167
Vulnerability Analysis
The Chatbox Manager plugin exposes plugin actions without verifying that the requesting user holds the required capability. The plugin fails to call WordPress capability checks such as current_user_can() or to validate nonces on privileged actions. Any authenticated user, including subscriber-level accounts, can invoke these actions over the network. The vulnerability yields limited confidentiality and integrity impact but no direct availability impact, and it does not require user interaction.
Root Cause
The root cause is missing authorization on plugin request handlers, which maps to CWE-862. The plugin registers handlers that operate on Chatbox Manager settings or content without confirming the caller's role. WordPress passes the request to the handler based on authentication alone, so the plugin's own logic must enforce role checks. In versions up to 1.2.5, that enforcement is absent or incorrectly configured.
Attack Vector
An attacker first obtains any authenticated session on the target WordPress site, for example a subscriber account created through open registration. The attacker then sends crafted HTTP requests to the vulnerable plugin endpoints. Because the plugin does not validate the user's capability, the actions execute with the attacker's session. Refer to the Patchstack Vulnerability Report for endpoint-level details.
No verified proof-of-concept code is publicly available for this CVE.
Detection Methods for CVE-2025-48167
Indicators of Compromise
- Unexpected POST or admin-ajax requests to Chatbox Manager plugin handlers from low-privilege user sessions.
- Modifications to Chatbox Manager settings, chatbox definitions, or associated wp_options entries without corresponding administrator activity.
- New or altered chatbox content that references external URLs or scripts introduced by non-admin accounts.
Detection Strategies
- Review WordPress access logs for requests to wp-admin/admin-ajax.php or plugin REST routes containing wa-chatbox or chatbox-manager parameters, correlated with non-administrator user IDs.
- Compare the currently deployed plugin version against 1.2.5 across managed WordPress hosts and flag any installation at or below that version.
- Audit database rows owned by the plugin for changes performed by users lacking manage_options capability.
Monitoring Recommendations
- Enable WordPress audit logging to capture plugin setting changes with actor identity and source IP.
- Alert on privilege-context anomalies where subscriber or contributor accounts trigger plugin-administration actions.
- Track outbound requests from the web server that originate from chatbox-rendered content to identify injected callbacks.
How to Mitigate CVE-2025-48167
Immediate Actions Required
- Update the Chatbox Manager plugin to a version later than 1.2.5 as soon as a fixed release is published by the vendor.
- Disable or uninstall the plugin on production sites until a patched version is available.
- Disable open user registration on WordPress sites where it is not required, and audit existing low-privilege accounts.
Patch Information
At the time of publication, the vendor has not confirmed a fixed version in the referenced advisory. Track the Patchstack Vulnerability Report and the plugin's WordPress.org page for a version above 1.2.5 that addresses the missing authorization checks.
Workarounds
- Restrict access to wp-admin/admin-ajax.php and plugin REST endpoints using a web application firewall rule that requires an administrator role for Chatbox Manager actions.
- Remove the plugin directory from the filesystem if the chatbox functionality is not actively used.
- Enforce the principle of least privilege by ensuring only administrator accounts retain manage_options and related capabilities.
# Example: disable the plugin via WP-CLI until a patched release is available
wp plugin deactivate wa-chatbox-manager
wp plugin list --name=wa-chatbox-manager --fields=name,status,version
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
