SQL injection vulnerability in usercp.php in MyBB (MyBulletinBoard) 1.0 through 1.1.3 allows remote attackers to execute arbitrary SQL commands via the showcodebuttons parameter.

Cross-site request forgery (CSRF) vulnerability in editpost.php in MyBulletinBoard (MyBB) before 1.1.5 allows remote attackers to perform unauthorized actions as a logged in user and delete arbitrary forum posts via a bbcode IMG tag with a modified delete parameter in a deletepost action. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

Cross-site scripting (XSS) vulnerability in archive/index.php/forum-4.html in MyBB (aka MyBulletinBoard) allows remote attackers to inject arbitrary web script or HTML via the navbits[][name] parameter.

MyBB (aka MyBulletinBoard) allows remote attackers to obtain sensitive information via a direct request for inc/plugins/hello.php, which reveals the path in an error message.

Directory traversal vulnerability in usercp.php in MyBB (aka MyBulletinBoard) 1.x allows remote attackers to read arbitrary files via a .. (dot dot) in the gallery parameter in a (1) avatar or (2) doavatar action.

Cross-site scripting (XSS) vulnerability in MyBB (MyBulletinBoard) 1.1 allows remote attackers to inject arbitrary web script or HTML via the attachment content disposition in an HTML attachment.

Cross-site scripting (XSS) vulnerability in inc/functionspost.php in MyBB (aka MyBulletinBoard) 1.0 RC2 through 1.1.4 allows remote attackers to inject arbitrary web script or HTML via a javascript URI with an SGML numeric character reference in the url BBCode tag, as demonstrated using "javascript".

Cross-site scripting (XSS) vulnerability in usercp.php in MyBB (aka MyBulletinBoard) 1.x allows remote attackers to inject arbitrary web script or HTML via the gallery parameter.