osuuu LightPicture API Upload Endpoint lp.sql hard-coded credentials

A vulnerability has been found in osuuu LightPicture up to 1.2.2. This issue affects some unknown processing of the file /public/install/lp.sql of the component API Upload Endpoint. Such manipulation of the argument key leads to hard-coded credentials. 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.