Cross-site scripting (XSS) vulnerability in includes/options-profiles.php in the YouTube Embed plugin before 3.3.3 for WordPress allows remote administrators to inject arbitrary web script or HTML via the Profile name field (youtube_embed_name parameter).
https://wpvulndb.com/vulnerabilities/8163
https://wordpress.org/plugins/youtube-embed/changelog/
http://www.securityfocus.com/archive/1/536334/100/0/threaded
http://packetstormsecurity.com/files/133340/WordPress-YouTube-Embed-3.3.2-Cross-Site-Scripting.html