affiliate-toolkit WordPress Plugin Stored Cross-Site Scripting Vulnerability

A stored cross-site scripting vulnerability has been identified in the affiliate-toolkit WordPress plugin, specifically in versions through 3.7.0. The issue arises from inadequate input sanitization and output escaping in the 'atkp_product' shortcode, allowing authenticated attackers with contributor-level access or higher to inject arbitrary scripts. These scripts are executed when users access the affected pages.

Impact

Exploitation of this vulnerability allows for stored cross-site scripting, where injected scripts are executed in the context of the user viewing the page.

Remediation

Users can update to version 3.7.1 or a newer patched version to address this vulnerability.