The 2Way VideoCalls and Random Chat - HTML5 Webcam Videochat WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the vwsnotice function found in the ~/inc/requirements.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 5.2.7.
Cross-site scripting (XSS) vulnerability in VideoWhisper PHP 2 Way Video Chat component for Joomla! allows remote attackers to inject arbitrary web script or HTML via the r parameter to index.php.