CVE-2024-43962: LWS Affiliation Auth Bypass Vulnerability

CVE-2024-43962 Overview

CVE-2024-43962 is a missing authorization vulnerability affecting the LWS Affiliation plugin for WordPress. The flaw exists in versions up to and including 2.3.4 and stems from incorrectly configured access control security levels [CWE-862]. Authenticated attackers with low-level privileges can invoke restricted plugin functionality that should require higher authorization. The issue was disclosed through Patchstack and affects WordPress sites running the affected plugin versions.

Critical Impact
Authenticated low-privileged users can exploit broken access control to compromise confidentiality, integrity, and availability of the WordPress site running the LWS Affiliation plugin.

Affected Products

LWS Affiliation plugin for WordPress, versions up to and including 2.3.4
WordPress sites with the affiliate management plugin installed
Any site running lws:affiliation component through version 2.3.4

Discovery Timeline

2024-11-01 - CVE-2024-43962 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2024-43962

Vulnerability Analysis

The LWS Affiliation plugin exposes functionality without proper authorization checks. The plugin fails to verify whether the requesting user holds the required capability before executing sensitive actions. This maps to [CWE-862] Missing Authorization, where the application does not perform an authorization check when an actor attempts to access a resource or perform an action.

Exploitation requires an authenticated session, but only low-level privileges are needed. An attacker with a subscriber-tier account can invoke plugin endpoints intended for administrators. Successful exploitation grants full impact against confidentiality, integrity, and availability of the affected WordPress instance.

Root Cause

The root cause is incorrectly configured access control security levels in the plugin's request handlers. Action handlers registered through WordPress hooks such as admin-ajax.php or REST endpoints lack current_user_can() capability checks or nonce validation tied to a privileged role. Without these checks, the plugin trusts any authenticated request regardless of the caller's role.

Attack Vector

The vulnerability is exploitable over the network by an authenticated attacker. An attacker registers or compromises a low-privileged WordPress account, then sends crafted HTTP requests to the plugin's unprotected endpoints. Because no user interaction is required and complexity is low, exploitation can be automated across vulnerable sites indexed by version fingerprinting.

Refer to the Patchstack Vulnerability Report for further technical detail on the affected endpoints.

Detection Methods for CVE-2024-43962

Indicators of Compromise

Unexpected POST requests to admin-ajax.php with action parameters tied to the LWS Affiliation plugin originating from non-administrative sessions
New or modified affiliate records, payout settings, or referral configurations without a corresponding administrator audit trail
Subscriber or customer-role accounts issuing requests to plugin-specific REST routes under /wp-json/

Detection Strategies

Enumerate installed WordPress plugins and flag any host running lws-affiliation at version 2.3.4 or earlier
Correlate authenticated user role with the endpoint accessed; alert when low-privileged accounts hit affiliate-management actions
Review web server access logs for repeated requests to LWS Affiliation action names paired with 2xx responses from non-admin sessions

Monitoring Recommendations

Enable WordPress audit logging for plugin option changes, user role modifications, and affiliate configuration updates
Monitor for creation of new low-privileged accounts followed shortly by requests to plugin endpoints
Track outbound HTTP requests from the WordPress host that could indicate secondary abuse after successful exploitation

How to Mitigate CVE-2024-43962

Immediate Actions Required

Update the LWS Affiliation plugin to a version later than 2.3.4 as soon as the vendor publishes a fixed release
Audit all WordPress user accounts and remove unused low-privileged accounts that could be leveraged by an attacker
Review the site for unauthorized affiliate entries, payout addresses, or configuration changes

Patch Information

The vulnerability affects LWS Affiliation from an unspecified starting version through 2.3.4. Site administrators should consult the Patchstack Vulnerability Report and upgrade to the latest patched release provided by LWS.

Workarounds

Deactivate and remove the LWS Affiliation plugin until a patched version is installed if the affiliate functionality is not business-critical
Restrict access to wp-admin/admin-ajax.php and REST endpoints from untrusted networks using a web application firewall
Disable open user registration and require administrator approval for new accounts to reduce the pool of authenticated attackers

bash

# Disable the affected plugin from the WordPress CLI until patched
wp plugin deactivate lws-affiliation
wp plugin status lws-affiliation