WordPress Clubmember Plugin Stored Cross-Site Scripting Vulnerability

A stored cross-site scripting vulnerability has been identified in the Clubmember plugin for WordPress, affecting all versions through 0.2. This vulnerability arises from inadequate input sanitization and output escaping, allowing authenticated attackers with administrator-level permissions to inject arbitrary scripts. The injected scripts are executed when users access the affected pages. This issue is present in multi-site installations where unfiltered HTML has been disabled.

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

There is no known patch available for this vulnerability. It is recommended to review the vulnerability details and consider uninstalling the affected plugin.