Cookie Notice Bar Stored Cross-Site Scripting Vulnerability

A stored cross-site scripting vulnerability has been identified in the Cookie Notice Bar plugin for WordPress, affecting all versions through 1.3.0. The issue arises from inadequate input sanitization and output escaping, allowing authenticated attackers with administrator-level access to inject arbitrary scripts into pages. These scripts would execute when a user accesses the compromised page. This vulnerability is specific to 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 thoroughly and consider uninstalling the affected plugin.