A vulnerability was found in DiscuzX up to 3.4-20200818. It has been classified as problematic. Affected is the function show_next_step of the file upload/install/include/install_function.php. The manipulation of the argument uchidden leads to cross site scripting.

This vulnerability is traded as CVE-2020-36828. It is possible to launch the attack remotely. There is no exploit available.

It is recommended to upgrade the affected component.