A vulnerability, which was classified as problematic, has been found in GetSimple CMS. Affected by this issue is the file /admin/edit.php of the Content Module. The manipulation of the argument post-content with an input like <script>alert(1)</script> leads to cross site scripting. The attack may be launched remotely but requires authentication. Expoit details have been disclosed within the advisory.
GetSimpleCMS 3.3.16 contains a cross-site Scripting (XSS) vulnerability, where Function TSL does not filter check settings.php Website URL: "siteURL" parameter.
A stored cross site scripting (XSS) vulnerability in /admin/snippets.php of GetSimple CMS 3.4.0a allows attackers to execute arbitrary web scripts or HTML via crafted payload in the Edit Snippets module.
Cross Site Scripting (XSS) vulnerability in GetSimpleCMS <= 3.3.15 in admin/changedata.php via the redirect_url parameter and the headers_sent function.