Jihai Jshop MiniProgram Mall System api.html sql injection

A vulnerability was found in Jihai Jshop MiniProgram Mall System 2.9.0. Affected by this issue is some unknown functionality of the file /index.php/api.html. The manipulation of the argument cat_id results in sql injection. The attack may be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.