CVE-2025-48117: WooCommerce POS Auth Bypass Vulnerability

CVE-2025-48117 Overview

CVE-2025-48117 is a Missing Authorization vulnerability [CWE-862] affecting the kilbot WooCommerce POS (woocommerce-pos) WordPress plugin. The flaw impacts all versions up through 1.7.8 and stems from incorrectly configured access control security levels. Unauthenticated attackers can reach functionality that should require an authorization check, leading to limited disclosure of information handled by the plugin.

The issue is network exploitable, requires no privileges, and needs no user interaction. Confidentiality is impacted at a low level, while integrity and availability are not affected.

Critical Impact
Unauthenticated remote attackers can invoke protected WooCommerce POS actions because required authorization checks are missing, resulting in limited information exposure from affected WordPress stores.

Affected Products

kilbot WooCommerce POS plugin for WordPress
WooCommerce POS versions from n/a through <= 1.7.8
WordPress sites running WooCommerce with the vulnerable plugin installed

Discovery Timeline

2025-05-16 - CVE-2025-48117 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-48117

Vulnerability Analysis

The vulnerability is a Broken Access Control issue in the WooCommerce POS plugin. The plugin exposes functionality without validating whether the caller is authorized to invoke it. An unauthenticated request over the network reaches code paths that should be gated by capability or role checks.

The attack surface is remote and low complexity. According to the Patchstack advisory, the affected component handles POS functionality accessible to store operators, but the endpoint lacks the required permission callback or capability check. Only confidentiality is impacted, indicating the exposed action returns information rather than allowing state changes.

Root Cause

The root cause is a missing authorization check on a plugin endpoint or action handler. This corresponds to [CWE-862] Missing Authorization. In WordPress plugins, this pattern typically occurs when a REST route omits its permission_callback, when an AJAX action registered through wp_ajax_nopriv_ does not verify capabilities, or when an admin action is reachable without a current_user_can() check.

Because no privileges are required, the check is either absent or trivially bypassable. The plugin trusts the request rather than validating the caller's role or capability.

Attack Vector

An attacker sends a crafted HTTP request to the vulnerable WooCommerce POS endpoint on a target WordPress site. No account, session, or user interaction is required. The server processes the request and returns data that should have been restricted to authorized POS operators or administrators.

Because the vulnerability is limited to confidentiality impact, the attacker can read data but cannot modify records or disrupt service through this flaw. No public proof-of-concept exploit or exploit code is currently listed for CVE-2025-48117. See the Patchstack WooCommerce POS Advisory for advisory details.

Detection Methods for CVE-2025-48117

Indicators of Compromise

Unauthenticated HTTP requests to WooCommerce POS REST routes under /wp-json/wc-pos/ or plugin-specific AJAX actions in admin-ajax.php.
HTTP 200 responses to POS-related endpoints from sessions without valid authentication cookies or nonces.
Unusual outbound traffic from web server processes correlated with plugin endpoint access.
Access log entries from unfamiliar IP addresses repeatedly probing plugin paths matching woocommerce-pos.

Detection Strategies

Inventory all WordPress instances and identify installations of the woocommerce-pos plugin at version <= 1.7.8.
Review web server access logs for anonymous requests to plugin endpoints returning non-error responses.
Deploy WAF rules that require authenticated sessions or valid WordPress nonces on POS plugin routes.
Monitor WordPress audit logs for plugin actions triggered without corresponding user login events.

Monitoring Recommendations

Alert on spikes of traffic to /wp-json/ routes registered by the woocommerce-pos plugin.
Track HTTP responses containing order, customer, or product data returned to unauthenticated sessions.
Correlate WordPress plugin version data with vulnerability feeds to flag installations still on 1.7.8 or earlier.

How to Mitigate CVE-2025-48117

Immediate Actions Required

Update the WooCommerce POS plugin to a version later than 1.7.8 as soon as the vendor publishes a fixed release.
Audit affected WordPress sites for evidence of unauthorized data access via plugin endpoints.
Restrict access to the WordPress admin and REST API surface using IP allowlists where operationally feasible.
Rotate any credentials or API keys that may have been exposed through POS data disclosure.

Patch Information

Refer to the Patchstack WooCommerce POS Advisory for the current fix status. Administrators should upgrade to the first vendor-released version above 1.7.8 and validate that plugin endpoints enforce authorization after the update.

Workarounds

Deactivate the woocommerce-pos plugin until a patched version can be applied if POS functionality is not currently required.
Apply virtual patching through a WAF to block unauthenticated requests to plugin routes and AJAX actions.
Enforce authentication at the reverse proxy or CDN layer for /wp-json/ and admin-ajax.php paths tied to POS operations.
Restrict plugin endpoints to known operator IP ranges through server configuration until the update is deployed.

bash

# Example: block unauthenticated access to WooCommerce POS routes in Nginx
location ~* /wp-json/wc-pos/ {
    if ($http_cookie !~* "wordpress_logged_in") {
        return 403;
    }
}