Multiple vulnerabilities have been reported in F*EX (Frams's Fast File EXchange), which can be exploited by malicious people to conduct cross-site scripting attacks.
1) Input passed via the "id" parameter to /fup is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.
This vulnerability is reported in versions 20100208 and 20111129-2.
2) Input passed via the "to" and "from" POST parameters to /fup is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.
This vulnerability is reported in version 20100208.