Cross-site scripting (XSS) vulnerability in inc/functions_post.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 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.