CVE-2025-48346: Etsy Shop Plugin Auth Bypass Vulnerability

CVE-2025-48346 Overview

CVE-2025-48346 is a missing authorization vulnerability in the Embed360 Embed and Integrate Etsy Shop WordPress plugin. The flaw affects all versions up to and including 1.0.8. Attackers can access plugin functionality that is not properly constrained by access control lists (ACLs). The issue is classified under CWE-862: Missing Authorization. Exploitation requires no authentication and no user interaction, and it is performed over the network. The vulnerability results in limited integrity impact without affecting confidentiality or availability of the underlying WordPress site.

Critical Impact
Unauthenticated attackers can invoke restricted plugin functions, modifying data or settings that should be protected by proper authorization checks.

Affected Products

Embed360 Embed and Integrate Etsy Shop plugin for WordPress
All versions from n/a through 1.0.8
WordPress sites with the embed-and-integrate-etsy-shop plugin installed

Discovery Timeline

2025-05-19 - CVE-2025-48346 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-48346

Vulnerability Analysis

The Embed and Integrate Etsy Shop plugin exposes one or more endpoints or actions that lack proper authorization enforcement. WordPress plugins typically register AJAX actions, REST routes, or admin-post handlers. When developers omit capability checks such as current_user_can() or nonce validation via check_ajax_referer(), any visitor can trigger those handlers. In this case, the plugin fails to verify caller privileges before executing restricted functionality.

The vulnerability falls under CWE-862: Missing Authorization. The impact is limited to integrity, meaning attackers can modify state or configuration exposed through the vulnerable endpoint but cannot directly read sensitive data or take the site offline.

Root Cause

The root cause is the absence of server-side authorization checks on plugin actions handling Etsy shop embed configuration. The plugin trusts request origin without verifying user capabilities or session context. Any request reaching the vulnerable handler executes as if it were authorized.

Attack Vector

An unauthenticated remote attacker sends a crafted HTTP request to the WordPress site targeting the plugin's exposed action endpoint. Because the plugin does not validate the caller's role or nonce, the request completes successfully. Refer to the Patchstack advisory for endpoint-level details.

No verified public exploit code is available for this vulnerability. The mechanism involves direct HTTP requests to WordPress action or AJAX handlers registered by the plugin without accompanying capability or nonce validation.

Detection Methods for CVE-2025-48346

Indicators of Compromise

Unexpected changes to Etsy shop embed configuration or plugin options in wp_options
HTTP POST requests to /wp-admin/admin-ajax.php or /wp-admin/admin-post.php referencing plugin actions from unauthenticated sessions
Access log entries showing requests to plugin endpoints without a valid wordpress_logged_in cookie

Detection Strategies

Inspect web server access logs for anomalous request patterns targeting embed-and-integrate-etsy-shop plugin actions
Enable WordPress activity logging to record configuration and option changes tied to the plugin
Compare current plugin option values against a known-good baseline stored in backups

Monitoring Recommendations

Alert on repeated POST requests to admin-ajax.php with the plugin's action parameter from unauthenticated clients
Monitor wp_options table writes for unexpected modifications to plugin-controlled keys
Track plugin version inventory across WordPress deployments to identify hosts still running 1.0.8 or earlier

How to Mitigate CVE-2025-48346

Immediate Actions Required

Identify all WordPress instances running the Embed and Integrate Etsy Shop plugin at version 1.0.8 or earlier
Update the plugin to a patched version once released by Embed360, or deactivate and remove the plugin if no patch is available
Review plugin configuration and audit logs for unauthorized changes since installation

Patch Information

At the time of publication, refer to the Patchstack vulnerability entry for the latest patched version information from the vendor. Versions through 1.0.8 remain affected.

Workarounds

Deactivate the embed-and-integrate-etsy-shop plugin until a fixed version is installed
Restrict access to /wp-admin/admin-ajax.php and /wp-admin/admin-post.php behind a web application firewall (WAF) rule that filters plugin-specific action parameters
Apply IP allowlisting to the WordPress admin area where operationally feasible

bash

# Example WP-CLI commands to inventory and deactivate the vulnerable plugin
wp plugin list --name=embed-and-integrate-etsy-shop --fields=name,status,version
wp plugin deactivate embed-and-integrate-etsy-shop