The newsfeed (aka /index.php?page=viewnews) in BTITeam XBTIT 2.5.4 has stored XSS via the title of a news item. This is also exploitable via CSRF.

An issue was discovered in BTITeam XBTIT 2.5.4. The "keywords" parameter in the search function available at /index.php?page=forums&action=search is vulnerable to reflected cross-site scripting.

An issue was discovered in BTITeam XBTIT 2.5.4. The "act" parameter in the sign-up page available at /index.php?page=signup is vulnerable to reflected cross-site scripting.

An issue was discovered in BTITeam XBTIT 2.5.4. news.php allows XSS via the id parameter.

An issue was discovered in BTITeam XBTIT 2.5.4. When a user logs in, their password hash is rehashed using a predictable salt and stored in the "pass" cookie, which is not flagged as HTTPOnly. Due to the weak and predictable salt that is in place, an attacker who successfully steals this cookie can efficiently brute-force it to retrieve the user's cleartext password.

An issue was discovered in BTITeam XBTIT 2.5.4. The hashed passwords stored in the xbtit_users table are stored as unsalted MD5 hashes, which makes it easier for context-dependent attackers to obtain cleartext values via a brute-force attack.