CMS Made Simple 2.2.15 contains a stored cross-site scripting vulnerability that allows authenticated users with Content Manager access to inject malicious scripts through SVG file uploads. Attackers can upload SVG files containing embedded JavaScript to the file manager, which executes when other authenticated users access the uploaded file, enabling cookie theft and session hijacking.

A vulnerability was found in CMS Made Simple up to 2.2.22. This impacts the function copyFilesToFolder in the library modules/UserGuide/lib/class.UserGuideImporterExporter.php of the component UserGuide Module XML Import. The manipulation results in path traversal. It is possible to launch the attack remotely. The exploit has been made public and could be used. This issue has been reported early to the project. They confirmed, that "this has already been discovered and fixed for the next release."

A security flaw has been discovered in CMS Made Simple up to 2.2.21. Impacted is an unknown function of the file admin/listusers.php of the component User Management Module. Performing a manipulation of the argument Message results in cross site scripting. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.

An authenticated arbitrary file upload vulnerability in the /uploads/ endpoint of CMS Made Simple Foundation File Manager v2.2.22 allows attackers with Administrator privileges to execute arbitrary code via uploading a crafted PHP file.

A vulnerability, which was classified as problematic, has been found in CMS Made Simple 2.2.21. This issue affects some unknown processing of the component Design Manager Module. The manipulation of the argument Description leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability in CMS Made Simple 2.2.14, which does not sufficiently encode user-controlled input, resulting in a Cross-Site Scripting (XSS) vulnerability through /admin/adduser.php, in multiple parameters. This vulnerability could allow a remote attacker to send a specially crafted JavaScript payload to an authenticated user and partially take over their browser session.

CMS Made Simple version 2.2.14, does not sufficiently encode user-controlled input, resulting in a Cross-Site Scripting (XSS) vulnerability through /admin/moduleinterface.php, in multiple parameters. This vulnerability could allow a remote attacker to send a specially crafted JavaScript payload to an authenticated user and partially hijack their browser session.

Unrestricted file upload vulnerability in CMS Made Simple, affecting version 2.2.14. This vulnerability allows an authenticated user to bypass the security measures of the upload functionality and potentially create a remote execution of commands via webshell.

CMS Made Simple version 2.2.19 is vulnerable to Server-Side Template Injection (SSTI). The vulnerability exists within the Design Manager, particularly when editing the Breadcrumbs.

A remote code execution vulnerability has been identified in the User Defined Tags module of CMS Made Simple version 2.2.19 / 2.2.21. This vulnerability arises from inadequate sanitization of user-supplied input in the 'Code' section of the module. As a result, authenticated users with administrative privileges can inject and execute arbitrary PHP code.

CMS Made Simple Version 2.2.19 is vulnerable to Cross Site Scripting (XSS). This vulnerability resides in the File Manager module of the admin panel. Specifically, the issue arises due to inadequate sanitization of user input in the "New directory" field.

Incomplete blacklist vulnerability in javaUpload.php in Postlet in the FileManager module in CMS Made Simple 1.2.4 and earlier allows remote attackers to execute arbitrary code by uploading a file with a name ending in (1) .jsp, (2) .php3, (3) .cgi, (4) .dhtml, (5) .phtml, (6) .php5, or (7) .jar, then accessing it via a direct request to the file in modules/FileManager/postlet/.