CVE-2026-5248: gougucms User Registration Login.php reg_submit dynamically-determined object attributes

A vulnerability has been found in gougucms 4.08.18. This affects the function regsubmit of the file gougucms-master\app\home\controller\Login.php of the component User Registration Handler. Such manipulation of the argument level leads to dynamically-determined object attributes. The attack may be performed from remote. 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.