Secunia Research has discovered some vulnerabilities in the BSQ Sitestats component for Joomla, which can be exploited by malicious people to conduct script insertion or SQL injection attacks.
1) Input passed via the "HTTP Referer" Header is not properly sanitised before being used. This can be exploited to insert arbitrary HTML and script code, which is executed in an administrative user's browser session in context of an affected site when the site statistics are viewed.
2) Input passed via the URI string is not properly sanitised before being used in SQL queries. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.
Successful exploitation requires that "magic_quotes_gpc" is disabled.
The vulnerabilities are confirmed in version 1.8.0 and 2.2.1. Other versions may also be affected.
Solution: The vulnerabilities have been fixed in version 2.2.2.
Provided and/or discovered by: Sven Krewitt, Secunia Research.
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Subject: Joomla BSQ Sitestats Script Insertion and SQL Injection
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