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.

squiz

Unspecified vulnerability in MySource Classic 2.14.6, and possibly earlier, allows remote authenticated users, with superuser privileges, to inject arbitrary PHP code via unspecified vectors related to the Equation attribute in Web_Extensions - Notitia (I/II). NOTE: due to lack of details, it is not clear whether this issue is file inclusion, static code injection, or another type of issue.

squiz

Multiple PHP file inclusion vulnerabilities in MySource 2.14.0 allow remote attackers to execute arbitrary PHP code and include arbitrary local files via the (1) INCLUDE_PATH and (2) SQUIZLIB_PATH parameters in new_upgrade_functions.php, (3) the INCLUDE_PATH parameter in init_mysource.php, and the PEAR_PATH parameter in (4) Socket.php, (5) Request.php, (6) Mail.php, (7) Date.php, (8) Span.php, (9) mimeDecode.php, and (10) mime.php.

mysource

Multiple cross-site scripting (XSS) vulnerabilities in MySource 2.14.0 allow remote attackers to inject arbitrary web script or HTML via (1) the target_url parameter in upgrade_in_progress_backend.php, (2) the stylesheet parameter in edit_table_cell_type_wysiwyg.php, and the bgcolor parameter in (3) insert_table.php, (4) edit_table_cell_props.php, (5) header.php, (6) edit_table_row_props.php, and (7) edit_table_props.php.

mysource