WordPress Category Image Plugin Stored Cross-Site Scripting Vulnerability

A stored cross-site scripting vulnerability has been identified in the Category Image plugin for WordPress, affecting all versions through 2.0. The issue arises from inadequate input sanitization and output escaping, allowing authenticated attackers with Editor-level access or higher to inject arbitrary web scripts via the 'tag-image' parameter. These injected scripts are executed when a user accesses the affected page.

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.