Design/Logic Flaw

In GetSimpleCMS 3.3.15, admin/upload.php blocks .html uploads but Internet Explorer render HTML elements in a .eml file, because of admin/upload-uploadify.php, and validatesafefile in admin/inc/securityfunctions.php...

CVE-2018-19421

In GetSimpleCMS 3.3.15, admin/upload.php blocks .html uploads but Internet Explorer render HTML elements in a .eml file, because of admin/upload-uploadify.php, and validatesafefile in admin/inc/securityfunctions.php...

CVE-2018-19421

In GetSimpleCMS 3.3.15, admin/upload.php blocks .html uploads but Internet Explorer render HTML elements in a .eml file, because of admin/upload-uploadify.php, and validatesafefile in admin/inc/securityfunctions.php...

CVE-2018-19420

In GetSimpleCMS 3.3.15, an HTML-execution vulnerability exists in the upload handling path. Although admin/upload.php blocks .html uploads, HTML can still be executed via edge cases such as files with no extension or unrecognized extensions (e.g., test or test.asdf) through the interaction with a...