MySource Matrix 3.8 and earlier, and MySource 2.x, allow remote attackers to use the application as an HTTP proxy server via the sq_remote_page_url parameter to access arbitrary sites with the server's IP address and conduct cross-site scripting (XSS) attacks. NOTE: the researcher reports that "The vendor does not consider this a vulnerability.

MySource Matrix after 3.8 allows remote attackers to use the application as an HTTP proxy server via a MIME encoded URL in the sq_content_src parameter to access arbitrary sites with the server's IP address and conduct cross-site scripting (XSS) attacks. NOTE: the researcher reports that "The vendor does not consider this a vulnerability.

Multiple cross-site scripting (XSS) vulnerabilities in char_map.php in MySource Matrix 3.28.3 allow remote attackers to inject arbitrary web script or HTML via the (1) height or (2) width parameter.