A vulnerability was found in Z-BlogPHP up to 1.5.1. It has been declared as critical. This vulnerability affects an unknown function of the file zb_users/plugin/AppCentre/plugin_edit.php of the component Plugin Upload Handler. The manipulation of the argument app_id with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The plugin upload component in Z-BlogPHP 1.5.1 allows remote attackers to execute arbitrary PHP code via the app_id parameter to zb_users/plugin/AppCentre/plugin_edit.php because of an unanchored regular expression, a different vulnerability than CVE-2018-8893. The component must be accessed directly by an administrator, or through CSRF.

The bug was discovered 04/16/2018. The weakness was disclosed 04/16/2018 (Website). The advisory is available at xz.aliyun.com. This vulnerability was named CVE-2018-9153 since 03/31/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1608.002 by the MITRE ATT&CK project.

By approaching the search of inurl:zb_users/plugin/AppCentre/plugin_edit.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entry 116243 is pretty similar.

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• Z-BlogPHP

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• 1.5.0
• 1.5.1

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