Input validation vulnerability in CallRail Phone Call Tracking 0.5.2

The CallRail Phone Call Tracking plugin for WordPress has a security vulnerability in versions 0.5.2 and earlier. This vulnerability allows someone with contributor or higher permissions to inject malicious web scripts into pages on the website. These scripts will be executed whenever someone visits an infected page, potentially allowing them to gain access to sensitive information. To protect your website, it is important to update the plugin to the latest version.