1dt.w0lf and foster have reported some vulnerabilities in Forum Russian Board, which can be exploited by malicious people to conduct cross-site scripting, script insertion and SQL injection attacks.

1) Certain input passed to some scripts is not properly sanitised before being used in a SQL query. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.

2) Certain input passed to some scripts is not properly sanitised before being returned to users. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.

3) Input passed via the "[img]" BB code tag is not properly verified before being used. This can be exploited to execute arbitrary script code in a user's browser session in context of an affected site when the malicious data is viewed.

The vulnerabilities have been reported in version 4.2. Other versions may also be affected.

Solution
Edit the source code to ensure that input is properly verified.

Provided and/or discovered by
1dt.w0lf and foster

Original Advisory
http://rst.void.ru/papers/advisory29.txt

Deep Links
Links available in Customer Area