CVE-2024-43254: Clover Online Orders Auth Bypass Flaw

CVE-2024-43254 Overview

CVE-2024-43254 is a Missing Authorization vulnerability [CWE-862] affecting the ZAYTECH Smart Online Order for Clover WordPress plugin. The flaw impacts all versions up to and including 1.5.6. Authenticated attackers with low privileges can invoke plugin functionality that lacks proper access control checks. Successful exploitation compromises confidentiality, integrity, and availability across the affected WordPress site.

Critical Impact
An authenticated attacker with minimal privileges can abuse missing authorization checks in the Smart Online Order for Clover plugin to access or modify restricted data and functionality, resulting in full compromise of the plugin's administrative operations.

Affected Products

ZAYTECH Smart Online Order for Clover WordPress plugin, versions up to and including 1.5.6
WordPress installations running the clover-online-orders plugin
Merchant environments integrating Clover point-of-sale with vulnerable plugin versions

Discovery Timeline

2024-11-01 - CVE-2024-43254 published to the National Vulnerability Database
2026-06-17 - Last updated in the NVD database

Technical Details for CVE-2024-43254

Vulnerability Analysis

The vulnerability stems from broken access control in the Smart Online Order for Clover plugin. Plugin endpoints fail to verify whether the requesting user holds the required capability or role before executing sensitive actions. This allows low-privileged authenticated users to perform operations reserved for administrators or store managers.

The issue is categorized as Missing Authorization [CWE-862]. The plugin exposes actions that alter store configuration, order data, or plugin settings without enforcing capability checks such as current_user_can(). Attackers with a subscriber-level account or any authenticated session can reach these actions directly.

Root Cause

The root cause is the absence of authorization validation on privileged plugin handlers. WordPress plugin developers must gate sensitive actions with capability checks and nonce verification. In vulnerable builds of clover-online-orders, one or more AJAX or admin-post handlers accept requests from any authenticated principal. The plugin relies on the presence of a session rather than the user's assigned role.

Attack Vector

The attack vector is network-based and requires low privileges with no user interaction. An attacker first obtains any authenticated account on the target WordPress site, including through self-registration where enabled. The attacker then issues HTTP requests to the plugin's unprotected endpoints. Because authorization is absent, the server processes the request as if it came from a privileged user, enabling data exposure and modification of order or plugin state.

No public proof-of-concept or exploit is currently listed for this issue. See the Patchstack Vulnerability Report for advisory details.

Detection Methods for CVE-2024-43254

Indicators of Compromise

Unexpected changes to Clover online ordering configuration, menu items, pricing, or payout settings made by non-administrator accounts
HTTP POST requests to plugin endpoints under /wp-admin/admin-ajax.php or plugin PHP files originating from subscriber or customer roles
New or modified orders lacking a corresponding legitimate customer session
Log entries showing plugin action names invoked by users whose roles should not permit those actions

Detection Strategies

Review web server access logs for authenticated requests to clover-online-orders handlers from low-privileged user IDs
Correlate WordPress audit logs with plugin activity to identify role-to-action mismatches
Deploy WordPress security plugins that log capability checks and flag missing current_user_can() enforcement
Compare installed plugin version against 1.5.7 or later; any earlier build is a detection signal in itself

Monitoring Recommendations

Alert on privileged plugin actions performed by users outside the administrator or shop manager roles
Monitor for spikes in AJAX traffic to action= parameters associated with the plugin
Track user registration volume, since attackers may create low-privileged accounts as a foothold
Forward WordPress and web server logs to a centralized analytics platform for cross-source correlation

How to Mitigate CVE-2024-43254

Immediate Actions Required

Update the Smart Online Order for Clover plugin to a version above 1.5.6 as soon as the vendor publishes a fixed release
Audit all WordPress user accounts and remove or disable unknown or dormant low-privileged users
Disable open user registration on the WordPress site unless a business requirement justifies it
Review recent order and configuration changes for unauthorized modifications and roll back where needed

Patch Information

The Patchstack Vulnerability Report tracks remediation status for this issue. Site operators should apply the vendor-provided patched release for clover-online-orders once available and confirm the installed version is greater than 1.5.6 in the WordPress plugins dashboard.

Workarounds

Deactivate the Smart Online Order for Clover plugin until a fixed version is installed and validated
Restrict access to /wp-admin/admin-ajax.php and plugin endpoints using a Web Application Firewall rule that requires administrator-level authentication for plugin actions
Enforce strong password policies and multi-factor authentication to reduce the likelihood of attackers obtaining any authenticated account
Isolate the WordPress host at the network layer so that only expected front-end traffic reaches the application

bash

# Confirm the installed plugin version and disable it if vulnerable
wp plugin get clover-online-orders --field=version
wp plugin deactivate clover-online-orders