CRMEB v4.4 to v4.6 was discovered to contain an arbitrary file upload vulnerability via the component \attachment\SystemAttachmentServices.php.

A vulnerability was found in Zhong Bang CRMEB up to 4.6.0 and classified as critical. This issue affects some unknown processing of the file /api/wechat/appauth of the component Image Upload. The manipulation leads to deserialization. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-231503. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability was found in Zhong Bang CRMEB up to 4.6.0. It has been declared as problematic. Affected by this vulnerability is the function putimage of the file api/controller/v1/PublicController.php. The manipulation leads to deserialization. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-231505 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability was found in Zhong Bang CRMEB up to 4.6.0. It has been classified as critical. Affected is the function getimagebase64 of the file api/controller/v1/PublicController.php. The manipulation leads to server-side request forgery. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-231504. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.