KLA10500
Multiple vulnerabilities in u5CMS

Multiple serious vulnerabilities have been found in u5CMS. Malicious users can exploit these vulnerabilities to obtain sensitive information, execute or inject arbitrary code and write local files.

Below is a complete list of vulnerabilities

1. Open redirect vulnerabilities can be exploited remotely via a specially designed cookie;
2. Directore traversal vulnerability can be exploited remotely via a specially designed file parameter;
3. Lack of input restrictions can be exploited remotely via vrctors related to pages copy2.php, localize.php, metai.php, nc.php, new2.php, u5admin/rename2.php, u5admin/editor.php, u5admin/meta2.php, u5admin/rename2.php

u5CMS versions earlier than 3.9.4

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The following public exploits exists for this vulnerability:

https://www.exploit-db.com/exploits/36029

https://www.exploit-db.com/exploits/36026