CVE-2026-5203

CVE-2026-5203 — CMS Made Simple ≤ 2.2.22 RCE Path Traversal + Arbitrary File Upload Summary The UserGuide module's XML import functionality in CMS Made Simple ≤ 2.2.22 fails to sanitize user-supplied filenames, allowing an authenticated administrator to upload arbitrary files e.g. PHP web shells...

Exploit for CVE-2026-5203

CVE-2026-5203 — CMS Made Simple ≤ 2.2.22 RCE Path Traversal +...

CVE-2026-5203 CMS Made Simple UserGuide Module XML Import class.UserGuideImporterExporter.php _copyFilesToFolder path traversal

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...

CVE-2026-5203 CMS Made Simple UserGuide Module XML Import class.UserGuideImporterExporter.php _copyFilesToFolder path traversal

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...

CVE-2026-5203

CMS Made Simple

CVE-2026-5203

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...