A vulnerability was found in SiberianCMS 4.20.6. It has been rated as problematic. Affected by this issue is some unknown functionality of the file /app/sae/design/desktop/flat of the component HTTP GET Request Handler. The manipulation leads to cross site scripting. The attack may be launched remotely. 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.

SiberianCMS - CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

SiberianCMS - CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') by an unauthenticated user

SiberianCMS - CWE-434: Unrestricted Upload of File with Dangerous Type - A malicious user with administrative privileges may be able to upload a dangerous filetype via an unspecified method

SiberianCMS - CWE-284 Improper Access Control Authorized user may disable a security feature over the network

SiberianCMS - CWE-274: Improper Handling of Insufficient Privileges

An issue was discovered in SiberianCMS before 4.10.0. The vulnerability exists due to insufficient filtration of user-supplied data (log) passed to the "SiberianCMS-master/errors/500.php" URL. An attacker could execute arbitrary HTML and script code in a browser in the context of the vulnerable website.