A vulnerability, which was classified as critical, has been found in Dreamer CMS up to 4.1.3. This issue affects some unknown processing of the component Attachment Handler. The manipulation leads to permission issues. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-258779. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.