CVE-2018-19420

In GetSimpleCMS 3.3.15, admin/upload.php blocks .html uploads but there are several alternative cases in which HTML can be executed, such as a file with no extension or an unrecognized extension (e.g., the test or test.asdf filename), because of admin/upload-uploadify.php, and validate_safe_file in...

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 validate_safe_file in admin/inc/security_functions.php.

CVE-2018-9173

Cross-site scripting (XSS) vulnerability in admin/template/js/uploadify/uploadify.swf in GetSimple CMS 3.3.13 allows remote attackers to inject arbitrary web script or HTML, as demonstrated by the movieName parameter.

CVE-2018-17103

An issue was discovered in GetSimple CMS v3.3.13. There is a CSRF vulnerability that can change the administrator's password via admin/settings.php. NOTE: The vendor reported that the PoC was sending a value for the nonce parameter

CVE-2018-16325

There is XSS in GetSimple CMS 3.4.0.9 via the admin/edit.php title field.

CVE-2018-17835

An issue was discovered in GetSimple CMS 3.3.15. An administrator can insert stored XSS via the admin/settings.php Custom Permalink Structure parameter, which injects the XSS payload into any page created at the admin/pages.php URI.

CVE-2018-15843

GetSimple CMS 3.3.14 has XSS via the admin/edit.php "Add New Page" field.

CVE-2018-19845

There is Stored XSS in GetSimple CMS 3.3.12 via the admin/edit.php "post-menu" parameter, a related issue to CVE-2018-16325.