ORIGINAL ADVISORY: http://myimei.com/security/2006-08-15/mybb-117-htmlspeacialchar_uni-fixjavascript-functions_postphp-urlxss-attack.html http://kapda.ir/page-advisory.html ************** ??????-Summary?????- Software: MyBB Sowtware?s Web Site: http://www.mybboard.com Versions: 1.1.7 Class: Remote Status: Unpatched Exploit: Available Solution: Available Discovered by: imei addmimistrator Risk Level: low ??????Description????? There is a security bug in MyBB 1.1.7 software (latest version fully patched) file functions_post.php that allows attacker performe an XSS attack. FOR MORE DETAIL VISIT ORIGINAL ADVISORY