CmsEasy vulnerabilities

A flaw has been found in CmsEasy up to 7.7.7. Affected is the function savetemp_action in the library /lib/admin/template_admin.php of the component Backend Template Management Page. Executing a manipulation of the argument content/tempdata can lead to code injection. The attack may be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

A cross-site scripting (XSS) vulnerability was found in CmsEasy up to version 7.7.7 in the lib/inc/view.php library of the URL Handler component. Manipulating the PHP_SELF argument can lead to malicious script execution. The exploit has been publicly disclosed, and the vendor did not respond to the report.

CMSeasy version 7.7.7.9 is vulnerable to arbitrary file deletion. An attacker can exploit this vulnerability to delete critical system files.