A vulnerability, which was classified as critical, was found in Juanpao JPShop up to 1.5.02. Affected is the function actionUpdate of the file /api/controllers/merchant/shop/PosterController.php of the component API. The manipulation of the argument pic_url leads to unrestricted upload. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-253002 is the identifier assigned to this vulnerability.