CRLF injection vulnerability in YaBB 1 Gold before 1.3.2 allows remote attackers to modify text file contents via the subject variable.

Cross-site request forgery (CSRF) vulnerability in YaBB 1 GOLD SP 1.3.2 allows remote attackers to perform unauthorized actions as the administrative user via a link or IMG tag to YaBB.pl that specifies the desired action, id, and moda parameters.

Unknown vulnerability in Adminedit.pl YaBB 1 Gold before 1.3.2 allows attackers to execute arbitrary code via settings.pl.

SQL injection vulnerability in SSI.php in YaBB SE 1.5.4, 1.5.3, and possibly other versions before 1.5.5 allows remote attackers to execute arbitrary SQL commands via the ID_MEMBER parameter to the (1) recentTopics and (2) welcome functions.

YaBB 1 SP 1.3.1 displays different error messages when a user exists or not, which makes it easier for remote attackers to identify valid users and conduct a brute force password guessing attack.

Directory traversal vulnerability in ModifyMessage.php in YaBB SE 1.5.4 through 1.5.5b allows remote attackers to delete arbitrary files via a .. (dot dot) in the attachOld parameter.

Multiple SQL injection vulnerabilities in YaBB SE 1.5.4 through 1.5.5b allow remote attackers to execute arbitrary SQL via (1) the msg parameter in ModifyMessage.php or (2) the postid parameter in ModifyMessage.php.

SQL injection vulnerability in post.php for YaBB SE 1.5.4 and 1.5.5 allows remote attackers to obtain hashed passwords via the quote parameter.

Post.pl in YaBB 1 Gold SP 1.2 allows remote attackers to modify records in the board's .txt file via carriage return characters in the subject field.

Cross-site scripting (XSS) vulnerability in YaBB 1 Gold(SP1.3) and YaBB SE 1.5.1 Final allows remote attackers to inject arbitrary web script via the background:url property in (1) glow or (2) shadow tags.