Link Whisper Free Stored Cross-Site Scripting Vulnerability

A stored cross-site scripting vulnerability has been identified in the Link Whisper Free plugin for WordPress, affecting all versions through 0.9.0. The issue arises from inadequate input sanitization and output escaping, allowing unauthenticated attackers to inject arbitrary web scripts into pages. These scripts are executed when a user accesses the compromised 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

Users are advised to update the Link Whisper Free plugin to version 0.9.1 or a newer patched version.