ORIGINAL ADVISORY:
http://myimei.com/security/2006-05-07/mybb111email-verification-in-user-
activation-sql-injection-attack.html
??????-Summary?????-
Software: MyBB
Sowtware?s Web Site: http://www.mybboard.com
Versions: 1.1.1
Class: Remote
Status: Unpatched
Exploit: Available
Solution: Available
Discovered by: imei addmimistrator
Risk Level: medume-High
??????Description?????
There is a security bug in MyBB 1.1.1 software (latest version fully patched) that allows attacker performe a SQL Injection attack.
bug is in result of weak regullar expression for cheknig email and also forgotting to addslash a value that entered in db and now fetch and reinsert it.
MORE DETAILES IN ORIGINAL ADVISORY;)